Home / 1,541,495.86-2,127,120.16-921,177.93

Finding the Fourth Proportional to 1,541,495.86, 2,127,120.16 and 921,177.93

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Solution

The fourth proportional to 1,541,495.86, 2,127,120.16 and 921,177.93 is: 1,271,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,495.86 : 2,127,120.16 = 921,177.93 : x
  2. Step 2: Convert to fraction form
    1,541,495.86/2,127,120.16 = 921,177.93/x
  3. Step 3: Cross multiply
    1,541,495.86x = 2,127,120.16 × 921,177.93
  4. Step 4: Simplify right side
    1,541,495.86x = 1,959,456,132,911.52
  5. Step 5: Solve for x
    x = 1,959,456,132,911.52/1,541,495.86
  6. Step 6: Final answer
    x = 1,271,139.41

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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.