Home / 2,405,681.92-3,319,839.89-1,438,812.19

Finding the Fourth Proportional to 2,405,681.92, 3,319,839.89 and 1,438,812.19

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Solution

The fourth proportional to 2,405,681.92, 3,319,839.89 and 1,438,812.19 is: 1,985,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,681.92 : 3,319,839.89 = 1,438,812.19 : x
  2. Step 2: Convert to fraction form
    2,405,681.92/3,319,839.89 = 1,438,812.19/x
  3. Step 3: Cross multiply
    2,405,681.92x = 3,319,839.89 × 1,438,812.19
  4. Step 4: Simplify right side
    2,405,681.92x = 4,776,626,085,981.06
  5. Step 5: Solve for x
    x = 4,776,626,085,981.06/2,405,681.92
  6. Step 6: Final answer
    x = 1,985,560.13

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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.