Home / 6,607,411.30-9,911,116.95-2,120,140.90

Finding the Fourth Proportional to 6,607,411.30, 9,911,116.95 and 2,120,140.90

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Solution

The fourth proportional to 6,607,411.30, 9,911,116.95 and 2,120,140.90 is: 3,180,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607,411.30 : 9,911,116.95 = 2,120,140.90 : x
  2. Step 2: Convert to fraction form
    6,607,411.30/9,911,116.95 = 2,120,140.90/x
  3. Step 3: Cross multiply
    6,607,411.30x = 9,911,116.95 × 2,120,140.90
  4. Step 4: Simplify right side
    6,607,411.30x = 21,012,964,410,378.25
  5. Step 5: Solve for x
    x = 21,012,964,410,378.25/6,607,411.30
  6. Step 6: Final answer
    x = 3,180,211.35

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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.