Home / 1,589,475.12-2,199,251.64-1,385,950.16

Finding the Fourth Proportional to 1,589,475.12, 2,199,251.64 and 1,385,950.16

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Solution

The fourth proportional to 1,589,475.12, 2,199,251.64 and 1,385,950.16 is: 1,917,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,475.12 : 2,199,251.64 = 1,385,950.16 : x
  2. Step 2: Convert to fraction form
    1,589,475.12/2,199,251.64 = 1,385,950.16/x
  3. Step 3: Cross multiply
    1,589,475.12x = 2,199,251.64 × 1,385,950.16
  4. Step 4: Simplify right side
    1,589,475.12x = 3,048,053,173,033.70
  5. Step 5: Solve for x
    x = 3,048,053,173,033.70/1,589,475.12
  6. Step 6: Final answer
    x = 1,917,647.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.