Home / 2,786,231.17-3,845,030.77-1,545,864.40

Finding the Fourth Proportional to 2,786,231.17, 3,845,030.77 and 1,545,864.40

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Solution

The fourth proportional to 2,786,231.17, 3,845,030.77 and 1,545,864.40 is: 2,133,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,231.17 : 3,845,030.77 = 1,545,864.40 : x
  2. Step 2: Convert to fraction form
    2,786,231.17/3,845,030.77 = 1,545,864.40/x
  3. Step 3: Cross multiply
    2,786,231.17x = 3,845,030.77 × 1,545,864.40
  4. Step 4: Simplify right side
    2,786,231.17x = 5,943,896,187,356.95
  5. Step 5: Solve for x
    x = 5,943,896,187,356.95/2,786,231.17
  6. Step 6: Final answer
    x = 2,133,310.49

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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.