Home / 2,071,651.28-2,857,888.58-1,609,603.79

Finding the Fourth Proportional to 2,071,651.28, 2,857,888.58 and 1,609,603.79

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Solution

The fourth proportional to 2,071,651.28, 2,857,888.58 and 1,609,603.79 is: 2,220,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,651.28 : 2,857,888.58 = 1,609,603.79 : x
  2. Step 2: Convert to fraction form
    2,071,651.28/2,857,888.58 = 1,609,603.79/x
  3. Step 3: Cross multiply
    2,071,651.28x = 2,857,888.58 × 1,609,603.79
  4. Step 4: Simplify right side
    2,071,651.28x = 4,600,068,267,428.26
  5. Step 5: Solve for x
    x = 4,600,068,267,428.26/2,071,651.28
  6. Step 6: Final answer
    x = 2,220,483.88

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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.