Home / 2,091,419.52-2,886,158.70-1,186,001.52

Finding the Fourth Proportional to 2,091,419.52, 2,886,158.70 and 1,186,001.52

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Solution

The fourth proportional to 2,091,419.52, 2,886,158.70 and 1,186,001.52 is: 1,636,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,419.52 : 2,886,158.70 = 1,186,001.52 : x
  2. Step 2: Convert to fraction form
    2,091,419.52/2,886,158.70 = 1,186,001.52/x
  3. Step 3: Cross multiply
    2,091,419.52x = 2,886,158.70 × 1,186,001.52
  4. Step 4: Simplify right side
    2,091,419.52x = 3,422,988,605,161.22
  5. Step 5: Solve for x
    x = 3,422,988,605,161.22/2,091,419.52
  6. Step 6: Final answer
    x = 1,636,681.96

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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.