Home / 2,129,793.24-2,939,111.28-1,365,845.52

Finding the Fourth Proportional to 2,129,793.24, 2,939,111.28 and 1,365,845.52

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Solution

The fourth proportional to 2,129,793.24, 2,939,111.28 and 1,365,845.52 is: 1,884,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,793.24 : 2,939,111.28 = 1,365,845.52 : x
  2. Step 2: Convert to fraction form
    2,129,793.24/2,939,111.28 = 1,365,845.52/x
  3. Step 3: Cross multiply
    2,129,793.24x = 2,939,111.28 × 1,365,845.52
  4. Step 4: Simplify right side
    2,129,793.24x = 4,014,371,974,569.47
  5. Step 5: Solve for x
    x = 4,014,371,974,569.47/2,129,793.24
  6. Step 6: Final answer
    x = 1,884,864.64

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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.