Home / 1,859,587.17-2,788,296.92-721,019.27

Finding the Fourth Proportional to 1,859,587.17, 2,788,296.92 and 721,019.27

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Solution

The fourth proportional to 1,859,587.17, 2,788,296.92 and 721,019.27 is: 1,081,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,587.17 : 2,788,296.92 = 721,019.27 : x
  2. Step 2: Convert to fraction form
    1,859,587.17/2,788,296.92 = 721,019.27/x
  3. Step 3: Cross multiply
    1,859,587.17x = 2,788,296.92 × 721,019.27
  4. Step 4: Simplify right side
    1,859,587.17x = 2,010,415,815,871.12
  5. Step 5: Solve for x
    x = 2,010,415,815,871.12/1,859,587.17
  6. Step 6: Final answer
    x = 1,081,108.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.