Home / 5,148,271.20-7,722,406.80-4,191,677.40

Finding the Fourth Proportional to 5,148,271.20, 7,722,406.80 and 4,191,677.40

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Solution

The fourth proportional to 5,148,271.20, 7,722,406.80 and 4,191,677.40 is: 6,287,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,271.20 : 7,722,406.80 = 4,191,677.40 : x
  2. Step 2: Convert to fraction form
    5,148,271.20/7,722,406.80 = 4,191,677.40/x
  3. Step 3: Cross multiply
    5,148,271.20x = 7,722,406.80 × 4,191,677.40
  4. Step 4: Simplify right side
    5,148,271.20x = 32,369,838,057,166.32
  5. Step 5: Solve for x
    x = 32,369,838,057,166.32/5,148,271.20
  6. Step 6: Final answer
    x = 6,287,516.10

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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.