Home / 3,118,509-4,303,542.60-1,687,725

Finding the Fourth Proportional to 3,118,509, 4,303,542.60 and 1,687,725

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Solution

The fourth proportional to 3,118,509, 4,303,542.60 and 1,687,725 is: 2,329,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,509 : 4,303,542.60 = 1,687,725 : x
  2. Step 2: Convert to fraction form
    3,118,509/4,303,542.60 = 1,687,725/x
  3. Step 3: Cross multiply
    3,118,509x = 4,303,542.60 × 1,687,725
  4. Step 4: Simplify right side
    3,118,509x = 7,263,196,434,585.00
  5. Step 5: Solve for x
    x = 7,263,196,434,585.00/3,118,509
  6. Step 6: Final answer
    x = 2,329,060.60

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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.