Home / 1,536,470.64-2,121,237.72-1,107,857.52

Finding the Fourth Proportional to 1,536,470.64, 2,121,237.72 and 1,107,857.52

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Solution

The fourth proportional to 1,536,470.64, 2,121,237.72 and 1,107,857.52 is: 1,529,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,470.64 : 2,121,237.72 = 1,107,857.52 : x
  2. Step 2: Convert to fraction form
    1,536,470.64/2,121,237.72 = 1,107,857.52/x
  3. Step 3: Cross multiply
    1,536,470.64x = 2,121,237.72 × 1,107,857.52
  4. Step 4: Simplify right side
    1,536,470.64x = 2,350,029,159,809.65
  5. Step 5: Solve for x
    x = 2,350,029,159,809.65/1,536,470.64
  6. Step 6: Final answer
    x = 1,529,498.25

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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.