Home / 4,680,916.20-7,021,374.30-3,869,101.80

Finding the Fourth Proportional to 4,680,916.20, 7,021,374.30 and 3,869,101.80

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Solution

The fourth proportional to 4,680,916.20, 7,021,374.30 and 3,869,101.80 is: 5,803,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,916.20 : 7,021,374.30 = 3,869,101.80 : x
  2. Step 2: Convert to fraction form
    4,680,916.20/7,021,374.30 = 3,869,101.80/x
  3. Step 3: Cross multiply
    4,680,916.20x = 7,021,374.30 × 3,869,101.80
  4. Step 4: Simplify right side
    4,680,916.20x = 27,166,411,942,603.74
  5. Step 5: Solve for x
    x = 27,166,411,942,603.74/4,680,916.20
  6. Step 6: Final answer
    x = 5,803,652.70

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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.