Home / 5,184,000.30-7,776,000.45-4,687,988.70

Finding the Fourth Proportional to 5,184,000.30, 7,776,000.45 and 4,687,988.70

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Solution

The fourth proportional to 5,184,000.30, 7,776,000.45 and 4,687,988.70 is: 7,031,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,000.30 : 7,776,000.45 = 4,687,988.70 : x
  2. Step 2: Convert to fraction form
    5,184,000.30/7,776,000.45 = 4,687,988.70/x
  3. Step 3: Cross multiply
    5,184,000.30x = 7,776,000.45 × 4,687,988.70
  4. Step 4: Simplify right side
    5,184,000.30x = 36,453,802,240,794.91
  5. Step 5: Solve for x
    x = 36,453,802,240,794.91/5,184,000.30
  6. Step 6: Final answer
    x = 7,031,983.05

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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.