Home / 3,129,686.40-4,694,529.60-2,919,734.40

Finding the Fourth Proportional to 3,129,686.40, 4,694,529.60 and 2,919,734.40

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Solution

The fourth proportional to 3,129,686.40, 4,694,529.60 and 2,919,734.40 is: 4,379,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,686.40 : 4,694,529.60 = 2,919,734.40 : x
  2. Step 2: Convert to fraction form
    3,129,686.40/4,694,529.60 = 2,919,734.40/x
  3. Step 3: Cross multiply
    3,129,686.40x = 4,694,529.60 × 2,919,734.40
  4. Step 4: Simplify right side
    3,129,686.40x = 13,706,779,564,938.24
  5. Step 5: Solve for x
    x = 13,706,779,564,938.24/3,129,686.40
  6. Step 6: Final answer
    x = 4,379,601.60

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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.