Home / 2,182,958.19-2,990,663.40-2,101,141.45

Finding the Fourth Proportional to 2,182,958.19, 2,990,663.40 and 2,101,141.45

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Solution

The fourth proportional to 2,182,958.19, 2,990,663.40 and 2,101,141.45 is: 2,878,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,958.19 : 2,990,663.40 = 2,101,141.45 : x
  2. Step 2: Convert to fraction form
    2,182,958.19/2,990,663.40 = 2,101,141.45/x
  3. Step 3: Cross multiply
    2,182,958.19x = 2,990,663.40 × 2,101,141.45
  4. Step 4: Simplify right side
    2,182,958.19x = 6,283,806,832,737.93
  5. Step 5: Solve for x
    x = 6,283,806,832,737.93/2,182,958.19
  6. Step 6: Final answer
    x = 2,878,574.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.