Home / 2,661,337.35-3,991,948.38-742,197.60

Finding the Fourth Proportional to 2,661,337.35, 3,991,948.38 and 742,197.60

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Solution

The fourth proportional to 2,661,337.35, 3,991,948.38 and 742,197.60 is: 1,113,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,337.35 : 3,991,948.38 = 742,197.60 : x
  2. Step 2: Convert to fraction form
    2,661,337.35/3,991,948.38 = 742,197.60/x
  3. Step 3: Cross multiply
    2,661,337.35x = 3,991,948.38 × 742,197.60
  4. Step 4: Simplify right side
    2,661,337.35x = 2,962,814,506,959.89
  5. Step 5: Solve for x
    x = 2,962,814,506,959.89/2,661,337.35
  6. Step 6: Final answer
    x = 1,113,280.32

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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.