Home / 1,561,811.65-2,155,459.07-950,006.61

Finding the Fourth Proportional to 1,561,811.65, 2,155,459.07 and 950,006.61

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Solution

The fourth proportional to 1,561,811.65, 2,155,459.07 and 950,006.61 is: 1,311,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,811.65 : 2,155,459.07 = 950,006.61 : x
  2. Step 2: Convert to fraction form
    1,561,811.65/2,155,459.07 = 950,006.61/x
  3. Step 3: Cross multiply
    1,561,811.65x = 2,155,459.07 × 950,006.61
  4. Step 4: Simplify right side
    1,561,811.65x = 2,047,700,366,459.47
  5. Step 5: Solve for x
    x = 2,047,700,366,459.47/1,561,811.65
  6. Step 6: Final answer
    x = 1,311,105.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.