Home / 5,112,364.60-7,668,546.90-1,518,686.20

Finding the Fourth Proportional to 5,112,364.60, 7,668,546.90 and 1,518,686.20

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Solution

The fourth proportional to 5,112,364.60, 7,668,546.90 and 1,518,686.20 is: 2,278,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,364.60 : 7,668,546.90 = 1,518,686.20 : x
  2. Step 2: Convert to fraction form
    5,112,364.60/7,668,546.90 = 1,518,686.20/x
  3. Step 3: Cross multiply
    5,112,364.60x = 7,668,546.90 × 1,518,686.20
  4. Step 4: Simplify right side
    5,112,364.60x = 11,646,116,351,082.78
  5. Step 5: Solve for x
    x = 11,646,116,351,082.78/5,112,364.60
  6. Step 6: Final answer
    x = 2,278,029.30

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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.