Home / 2,838,438.10-4,257,657.15-1,942,642.90

Finding the Fourth Proportional to 2,838,438.10, 4,257,657.15 and 1,942,642.90

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Solution

The fourth proportional to 2,838,438.10, 4,257,657.15 and 1,942,642.90 is: 2,913,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,438.10 : 4,257,657.15 = 1,942,642.90 : x
  2. Step 2: Convert to fraction form
    2,838,438.10/4,257,657.15 = 1,942,642.90/x
  3. Step 3: Cross multiply
    2,838,438.10x = 4,257,657.15 × 1,942,642.90
  4. Step 4: Simplify right side
    2,838,438.10x = 8,271,107,433,081.74
  5. Step 5: Solve for x
    x = 8,271,107,433,081.74/2,838,438.10
  6. Step 6: Final answer
    x = 2,913,964.35

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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.