Home / 3,148,657.40-4,712,099.70-1,887,390.20

Finding the Fourth Proportional to 3,148,657.40, 4,712,099.70 and 1,887,390.20

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Solution

The fourth proportional to 3,148,657.40, 4,712,099.70 and 1,887,390.20 is: 2,824,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,657.40 : 4,712,099.70 = 1,887,390.20 : x
  2. Step 2: Convert to fraction form
    3,148,657.40/4,712,099.70 = 1,887,390.20/x
  3. Step 3: Cross multiply
    3,148,657.40x = 4,712,099.70 × 1,887,390.20
  4. Step 4: Simplify right side
    3,148,657.40x = 8,893,570,795,202.94
  5. Step 5: Solve for x
    x = 8,893,570,795,202.94/3,148,657.40
  6. Step 6: Final answer
    x = 2,824,559.70

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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.