Home / 6,178,000.10-9,267,000.15-1,919,473.70

Finding the Fourth Proportional to 6,178,000.10, 9,267,000.15 and 1,919,473.70

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Solution

The fourth proportional to 6,178,000.10, 9,267,000.15 and 1,919,473.70 is: 2,879,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,000.10 : 9,267,000.15 = 1,919,473.70 : x
  2. Step 2: Convert to fraction form
    6,178,000.10/9,267,000.15 = 1,919,473.70/x
  3. Step 3: Cross multiply
    6,178,000.10x = 9,267,000.15 × 1,919,473.70
  4. Step 4: Simplify right side
    6,178,000.10x = 17,787,763,065,821.05
  5. Step 5: Solve for x
    x = 17,787,763,065,821.05/6,178,000.10
  6. Step 6: Final answer
    x = 2,879,210.55

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1.5x scale

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.