Home / 2,657,916.20-3,984,152.70-1,308,002.60

Finding the Fourth Proportional to 2,657,916.20, 3,984,152.70 and 1,308,002.60

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Solution

The fourth proportional to 2,657,916.20, 3,984,152.70 and 1,308,002.60 is: 1,960,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,916.20 : 3,984,152.70 = 1,308,002.60 : x
  2. Step 2: Convert to fraction form
    2,657,916.20/3,984,152.70 = 1,308,002.60/x
  3. Step 3: Cross multiply
    2,657,916.20x = 3,984,152.70 × 1,308,002.60
  4. Step 4: Simplify right side
    2,657,916.20x = 5,211,282,090,397.02
  5. Step 5: Solve for x
    x = 5,211,282,090,397.02/2,657,916.20
  6. Step 6: Final answer
    x = 1,960,664.56

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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.