Home / 6,476,501.60-9,714,752.40-1,989,000.80

Finding the Fourth Proportional to 6,476,501.60, 9,714,752.40 and 1,989,000.80

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Solution

The fourth proportional to 6,476,501.60, 9,714,752.40 and 1,989,000.80 is: 2,983,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476,501.60 : 9,714,752.40 = 1,989,000.80 : x
  2. Step 2: Convert to fraction form
    6,476,501.60/9,714,752.40 = 1,989,000.80/x
  3. Step 3: Cross multiply
    6,476,501.60x = 9,714,752.40 × 1,989,000.80
  4. Step 4: Simplify right side
    6,476,501.60x = 19,322,650,295,401.92
  5. Step 5: Solve for x
    x = 19,322,650,295,401.92/6,476,501.60
  6. Step 6: Final answer
    x = 2,983,501.20

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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.