Home / 5,184,000.10-7,776,000.15-1,397,865.70

Finding the Fourth Proportional to 5,184,000.10, 7,776,000.15 and 1,397,865.70

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Solution

The fourth proportional to 5,184,000.10, 7,776,000.15 and 1,397,865.70 is: 2,096,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,000.10 : 7,776,000.15 = 1,397,865.70 : x
  2. Step 2: Convert to fraction form
    5,184,000.10/7,776,000.15 = 1,397,865.70/x
  3. Step 3: Cross multiply
    5,184,000.10x = 7,776,000.15 × 1,397,865.70
  4. Step 4: Simplify right side
    5,184,000.10x = 10,869,803,892,879.86
  5. Step 5: Solve for x
    x = 10,869,803,892,879.86/5,184,000.10
  6. Step 6: Final answer
    x = 2,096,798.55

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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.