Home / 1,768,577.76-2,440,565.52-1,081,407.12

Finding the Fourth Proportional to 1,768,577.76, 2,440,565.52 and 1,081,407.12

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Solution

The fourth proportional to 1,768,577.76, 2,440,565.52 and 1,081,407.12 is: 1,492,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,577.76 : 2,440,565.52 = 1,081,407.12 : x
  2. Step 2: Convert to fraction form
    1,768,577.76/2,440,565.52 = 1,081,407.12/x
  3. Step 3: Cross multiply
    1,768,577.76x = 2,440,565.52 × 1,081,407.12
  4. Step 4: Simplify right side
    1,768,577.76x = 2,639,244,930,154.50
  5. Step 5: Solve for x
    x = 2,639,244,930,154.50/1,768,577.76
  6. Step 6: Final answer
    x = 1,492,297.93

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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.