Home / 2,929,543.02-4,390,766.05-1,243,103.66

Finding the Fourth Proportional to 2,929,543.02, 4,390,766.05 and 1,243,103.66

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Solution

The fourth proportional to 2,929,543.02, 4,390,766.05 and 1,243,103.66 is: 1,863,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,543.02 : 4,390,766.05 = 1,243,103.66 : x
  2. Step 2: Convert to fraction form
    2,929,543.02/4,390,766.05 = 1,243,103.66/x
  3. Step 3: Cross multiply
    2,929,543.02x = 4,390,766.05 × 1,243,103.66
  4. Step 4: Simplify right side
    2,929,543.02x = 5,458,177,346,958.74
  5. Step 5: Solve for x
    x = 5,458,177,346,958.74/2,929,543.02
  6. Step 6: Final answer
    x = 1,863,149.75

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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.