Home / 1,921,585.55-2,652,051.78-1,105,772.58

Finding the Fourth Proportional to 1,921,585.55, 2,652,051.78 and 1,105,772.58

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Solution

The fourth proportional to 1,921,585.55, 2,652,051.78 and 1,105,772.58 is: 1,526,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,585.55 : 2,652,051.78 = 1,105,772.58 : x
  2. Step 2: Convert to fraction form
    1,921,585.55/2,652,051.78 = 1,105,772.58/x
  3. Step 3: Cross multiply
    1,921,585.55x = 2,652,051.78 × 1,105,772.58
  4. Step 4: Simplify right side
    1,921,585.55x = 2,932,566,139,064.19
  5. Step 5: Solve for x
    x = 2,932,566,139,064.19/1,921,585.55
  6. Step 6: Final answer
    x = 1,526,117.92

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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.