Home / 1,555,657.11-2,146,043.76-1,039,537.71

Finding the Fourth Proportional to 1,555,657.11, 2,146,043.76 and 1,039,537.71

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Solution

The fourth proportional to 1,555,657.11, 2,146,043.76 and 1,039,537.71 is: 1,434,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,657.11 : 2,146,043.76 = 1,039,537.71 : x
  2. Step 2: Convert to fraction form
    1,555,657.11/2,146,043.76 = 1,039,537.71/x
  3. Step 3: Cross multiply
    1,555,657.11x = 2,146,043.76 × 1,039,537.71
  4. Step 4: Simplify right side
    1,555,657.11x = 2,230,893,415,830.19
  5. Step 5: Solve for x
    x = 2,230,893,415,830.19/1,555,657.11
  6. Step 6: Final answer
    x = 1,434,052.15

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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.