Home / 2,689,653.69-3,711,723.45-1,528,101.95

Finding the Fourth Proportional to 2,689,653.69, 3,711,723.45 and 1,528,101.95

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Solution

The fourth proportional to 2,689,653.69, 3,711,723.45 and 1,528,101.95 is: 2,108,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,653.69 : 3,711,723.45 = 1,528,101.95 : x
  2. Step 2: Convert to fraction form
    2,689,653.69/3,711,723.45 = 1,528,101.95/x
  3. Step 3: Cross multiply
    2,689,653.69x = 3,711,723.45 × 1,528,101.95
  4. Step 4: Simplify right side
    2,689,653.69x = 5,671,891,823,247.11
  5. Step 5: Solve for x
    x = 5,671,891,823,247.11/2,689,653.69
  6. Step 6: Final answer
    x = 2,108,781.46

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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.