Home / 3,155,447.80-4,733,862.90-1,025,169.40

Finding the Fourth Proportional to 3,155,447.80, 4,733,862.90 and 1,025,169.40

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Solution

The fourth proportional to 3,155,447.80, 4,733,862.90 and 1,025,169.40 is: 1,537,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,447.80 : 4,733,862.90 = 1,025,169.40 : x
  2. Step 2: Convert to fraction form
    3,155,447.80/4,733,862.90 = 1,025,169.40/x
  3. Step 3: Cross multiply
    3,155,447.80x = 4,733,862.90 × 1,025,169.40
  4. Step 4: Simplify right side
    3,155,447.80x = 4,853,011,388,875.26
  5. Step 5: Solve for x
    x = 4,853,011,388,875.26/3,155,447.80
  6. Step 6: Final answer
    x = 1,537,978.66

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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.