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Finding the Fourth Proportional to 1,977,990.75, 2,966,822.04 and 630,098.91

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Solution

The fourth proportional to 1,977,990.75, 2,966,822.04 and 630,098.91 is: 945,096.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,990.75 : 2,966,822.04 = 630,098.91 : x
  2. Step 2: Convert to fraction form
    1,977,990.75/2,966,822.04 = 630,098.91/x
  3. Step 3: Cross multiply
    1,977,990.75x = 2,966,822.04 × 630,098.91
  4. Step 4: Simplify right side
    1,977,990.75x = 1,869,391,333,567.98
  5. Step 5: Solve for x
    x = 1,869,391,333,567.98/1,977,990.75
  6. Step 6: Final answer
    x = 945,096.09

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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.