Home / 4,687,384.14-7,031,055.69-1,991,295.90

Finding the Fourth Proportional to 4,687,384.14, 7,031,055.69 and 1,991,295.90

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Solution

The fourth proportional to 4,687,384.14, 7,031,055.69 and 1,991,295.90 is: 2,986,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687,384.14 : 7,031,055.69 = 1,991,295.90 : x
  2. Step 2: Convert to fraction form
    4,687,384.14/7,031,055.69 = 1,991,295.90/x
  3. Step 3: Cross multiply
    4,687,384.14x = 7,031,055.69 × 1,991,295.90
  4. Step 4: Simplify right side
    4,687,384.14x = 14,000,912,368,168.67
  5. Step 5: Solve for x
    x = 14,000,912,368,168.67/4,687,384.14
  6. Step 6: Final answer
    x = 2,986,935.13

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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.