Home / 2,918,545.40-4,371,913.20-2,021,000.60

Finding the Fourth Proportional to 2,918,545.40, 4,371,913.20 and 2,021,000.60

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Solution

The fourth proportional to 2,918,545.40, 4,371,913.20 and 2,021,000.60 is: 3,027,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,545.40 : 4,371,913.20 = 2,021,000.60 : x
  2. Step 2: Convert to fraction form
    2,918,545.40/4,371,913.20 = 2,021,000.60/x
  3. Step 3: Cross multiply
    2,918,545.40x = 4,371,913.20 × 2,021,000.60
  4. Step 4: Simplify right side
    2,918,545.40x = 8,835,639,200,347.92
  5. Step 5: Solve for x
    x = 8,835,639,200,347.92/2,918,545.40
  6. Step 6: Final answer
    x = 3,027,411.94

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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.