Home / 6,238,665.40-9,357,998.10-3,813,719.80

Finding the Fourth Proportional to 6,238,665.40, 9,357,998.10 and 3,813,719.80

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Solution

The fourth proportional to 6,238,665.40, 9,357,998.10 and 3,813,719.80 is: 5,720,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238,665.40 : 9,357,998.10 = 3,813,719.80 : x
  2. Step 2: Convert to fraction form
    6,238,665.40/9,357,998.10 = 3,813,719.80/x
  3. Step 3: Cross multiply
    6,238,665.40x = 9,357,998.10 × 3,813,719.80
  4. Step 4: Simplify right side
    6,238,665.40x = 35,688,782,642,332.38
  5. Step 5: Solve for x
    x = 35,688,782,642,332.38/6,238,665.40
  6. Step 6: Final answer
    x = 5,720,579.70

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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.