Home / 2,326,680.90-3,490,099.11-643,643.46

Finding the Fourth Proportional to 2,326,680.90, 3,490,099.11 and 643,643.46

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Solution

The fourth proportional to 2,326,680.90, 3,490,099.11 and 643,643.46 is: 965,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326,680.90 : 3,490,099.11 = 643,643.46 : x
  2. Step 2: Convert to fraction form
    2,326,680.90/3,490,099.11 = 643,643.46/x
  3. Step 3: Cross multiply
    2,326,680.90x = 3,490,099.11 × 643,643.46
  4. Step 4: Simplify right side
    2,326,680.90x = 2,246,379,466,903.32
  5. Step 5: Solve for x
    x = 2,246,379,466,903.32/2,326,680.90
  6. Step 6: Final answer
    x = 965,486.70

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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.