Home / 3,439,681.56-5,159,638.80-915,339.24

Finding the Fourth Proportional to 3,439,681.56, 5,159,638.80 and 915,339.24

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Solution

The fourth proportional to 3,439,681.56, 5,159,638.80 and 915,339.24 is: 1,373,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,681.56 : 5,159,638.80 = 915,339.24 : x
  2. Step 2: Convert to fraction form
    3,439,681.56/5,159,638.80 = 915,339.24/x
  3. Step 3: Cross multiply
    3,439,681.56x = 5,159,638.80 × 915,339.24
  4. Step 4: Simplify right side
    3,439,681.56x = 4,722,819,857,866.51
  5. Step 5: Solve for x
    x = 4,722,819,857,866.51/3,439,681.56
  6. Step 6: Final answer
    x = 1,373,039.85

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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.