Home / 6,909,417.08-10,363,752.15-2,117,120.52

Finding the Fourth Proportional to 6,909,417.08, 10,363,752.15 and 2,117,120.52

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Solution

The fourth proportional to 6,909,417.08, 10,363,752.15 and 2,117,120.52 is: 3,175,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,417.08 : 10,363,752.15 = 2,117,120.52 : x
  2. Step 2: Convert to fraction form
    6,909,417.08/10,363,752.15 = 2,117,120.52/x
  3. Step 3: Cross multiply
    6,909,417.08x = 10,363,752.15 × 2,117,120.52
  4. Step 4: Simplify right side
    6,909,417.08x = 21,941,312,340,959.12
  5. Step 5: Solve for x
    x = 21,941,312,340,959.12/6,909,417.08
  6. Step 6: Final answer
    x = 3,175,566.34

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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.