Home / 1,913,078.55-2,869,534.80-715,011.24

Finding the Fourth Proportional to 1,913,078.55, 2,869,534.80 and 715,011.24

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Solution

The fourth proportional to 1,913,078.55, 2,869,534.80 and 715,011.24 is: 1,072,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,078.55 : 2,869,534.80 = 715,011.24 : x
  2. Step 2: Convert to fraction form
    1,913,078.55/2,869,534.80 = 715,011.24/x
  3. Step 3: Cross multiply
    1,913,078.55x = 2,869,534.80 × 715,011.24
  4. Step 4: Simplify right side
    1,913,078.55x = 2,051,749,635,571.15
  5. Step 5: Solve for x
    x = 2,051,749,635,571.15/1,913,078.55
  6. Step 6: Final answer
    x = 1,072,485.83

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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.