Home / 5,312,618.52-7,330,498.02-2,989,188.60

Finding the Fourth Proportional to 5,312,618.52, 7,330,498.02 and 2,989,188.60

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Solution

The fourth proportional to 5,312,618.52, 7,330,498.02 and 2,989,188.60 is: 4,124,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,618.52 : 7,330,498.02 = 2,989,188.60 : x
  2. Step 2: Convert to fraction form
    5,312,618.52/7,330,498.02 = 2,989,188.60/x
  3. Step 3: Cross multiply
    5,312,618.52x = 7,330,498.02 × 2,989,188.60
  4. Step 4: Simplify right side
    5,312,618.52x = 21,912,241,113,706.57
  5. Step 5: Solve for x
    x = 21,912,241,113,706.57/5,312,618.52
  6. Step 6: Final answer
    x = 4,124,565.13

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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.