Home / 2,009,143.20-3,013,714.80-513,235.20

Finding the Fourth Proportional to 2,009,143.20, 3,013,714.80 and 513,235.20

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Solution

The fourth proportional to 2,009,143.20, 3,013,714.80 and 513,235.20 is: 769,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,143.20 : 3,013,714.80 = 513,235.20 : x
  2. Step 2: Convert to fraction form
    2,009,143.20/3,013,714.80 = 513,235.20/x
  3. Step 3: Cross multiply
    2,009,143.20x = 3,013,714.80 × 513,235.20
  4. Step 4: Simplify right side
    2,009,143.20x = 1,546,744,518,120.96
  5. Step 5: Solve for x
    x = 1,546,744,518,120.96/2,009,143.20
  6. Step 6: Final answer
    x = 769,852.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.