Home / 2,009,320.20-3,013,980.30-513,412.20

Finding the Fourth Proportional to 2,009,320.20, 3,013,980.30 and 513,412.20

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Solution

The fourth proportional to 2,009,320.20, 3,013,980.30 and 513,412.20 is: 770,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,320.20 : 3,013,980.30 = 513,412.20 : x
  2. Step 2: Convert to fraction form
    2,009,320.20/3,013,980.30 = 513,412.20/x
  3. Step 3: Cross multiply
    2,009,320.20x = 3,013,980.30 × 513,412.20
  4. Step 4: Simplify right side
    2,009,320.20x = 1,547,414,256,579.66
  5. Step 5: Solve for x
    x = 1,547,414,256,579.66/2,009,320.20
  6. Step 6: Final answer
    x = 770,118.30

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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.