Home / 2,013,985.60-3,020,978.40-1,217,723.20

Finding the Fourth Proportional to 2,013,985.60, 3,020,978.40 and 1,217,723.20

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Solution

The fourth proportional to 2,013,985.60, 3,020,978.40 and 1,217,723.20 is: 1,826,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,985.60 : 3,020,978.40 = 1,217,723.20 : x
  2. Step 2: Convert to fraction form
    2,013,985.60/3,020,978.40 = 1,217,723.20/x
  3. Step 3: Cross multiply
    2,013,985.60x = 3,020,978.40 × 1,217,723.20
  4. Step 4: Simplify right side
    2,013,985.60x = 3,678,715,484,378.88
  5. Step 5: Solve for x
    x = 3,678,715,484,378.88/2,013,985.60
  6. Step 6: Final answer
    x = 1,826,584.80

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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.