Home / 2,921,618.29-4,382,898.32-899,861.53

Finding the Fourth Proportional to 2,921,618.29, 4,382,898.32 and 899,861.53

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Solution

The fourth proportional to 2,921,618.29, 4,382,898.32 and 899,861.53 is: 1,349,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,618.29 : 4,382,898.32 = 899,861.53 : x
  2. Step 2: Convert to fraction form
    2,921,618.29/4,382,898.32 = 899,861.53/x
  3. Step 3: Cross multiply
    2,921,618.29x = 4,382,898.32 × 899,861.53
  4. Step 4: Simplify right side
    2,921,618.29x = 3,944,001,583,570.32
  5. Step 5: Solve for x
    x = 3,944,001,583,570.32/2,921,618.29
  6. Step 6: Final answer
    x = 1,349,937.33

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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.