Home / 3,190,007.79-4,402,035.77-1,813,160.39

Finding the Fourth Proportional to 3,190,007.79, 4,402,035.77 and 1,813,160.39

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Solution

The fourth proportional to 3,190,007.79, 4,402,035.77 and 1,813,160.39 is: 2,502,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,007.79 : 4,402,035.77 = 1,813,160.39 : x
  2. Step 2: Convert to fraction form
    3,190,007.79/4,402,035.77 = 1,813,160.39/x
  3. Step 3: Cross multiply
    3,190,007.79x = 4,402,035.77 × 1,813,160.39
  4. Step 4: Simplify right side
    3,190,007.79x = 7,981,596,862,451.17
  5. Step 5: Solve for x
    x = 7,981,596,862,451.17/3,190,007.79
  6. Step 6: Final answer
    x = 2,502,061.87

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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.