Home / 2,087,951.56-2,881,236.74-1,228,345.74

Finding the Fourth Proportional to 2,087,951.56, 2,881,236.74 and 1,228,345.74

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Solution

The fourth proportional to 2,087,951.56, 2,881,236.74 and 1,228,345.74 is: 1,695,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,951.56 : 2,881,236.74 = 1,228,345.74 : x
  2. Step 2: Convert to fraction form
    2,087,951.56/2,881,236.74 = 1,228,345.74/x
  3. Step 3: Cross multiply
    2,087,951.56x = 2,881,236.74 × 1,228,345.74
  4. Step 4: Simplify right side
    2,087,951.56x = 3,539,154,875,510.49
  5. Step 5: Solve for x
    x = 3,539,154,875,510.49/2,087,951.56
  6. Step 6: Final answer
    x = 1,695,036.87

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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.