Home / 4,677,189.60-7,013,710.80-2,153,618.40

Finding the Fourth Proportional to 4,677,189.60, 7,013,710.80 and 2,153,618.40

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Solution

The fourth proportional to 4,677,189.60, 7,013,710.80 and 2,153,618.40 is: 3,229,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677,189.60 : 7,013,710.80 = 2,153,618.40 : x
  2. Step 2: Convert to fraction form
    4,677,189.60/7,013,710.80 = 2,153,618.40/x
  3. Step 3: Cross multiply
    4,677,189.60x = 7,013,710.80 × 2,153,618.40
  4. Step 4: Simplify right side
    4,677,189.60x = 15,104,856,631,158.72
  5. Step 5: Solve for x
    x = 15,104,856,631,158.72/4,677,189.60
  6. Step 6: Final answer
    x = 3,229,472.81

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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.