Home / 3,142,878.50-4,336,968.21-1,853,423.30

Finding the Fourth Proportional to 3,142,878.50, 4,336,968.21 and 1,853,423.30

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Solution

The fourth proportional to 3,142,878.50, 4,336,968.21 and 1,853,423.30 is: 2,557,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,878.50 : 4,336,968.21 = 1,853,423.30 : x
  2. Step 2: Convert to fraction form
    3,142,878.50/4,336,968.21 = 1,853,423.30/x
  3. Step 3: Cross multiply
    3,142,878.50x = 4,336,968.21 × 1,853,423.30
  4. Step 4: Simplify right side
    3,142,878.50x = 8,038,237,931,773.29
  5. Step 5: Solve for x
    x = 8,038,237,931,773.29/3,142,878.50
  6. Step 6: Final answer
    x = 2,557,603.78

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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.