Home / 2,819,318.76-3,890,663.68-1,530,159.16

Finding the Fourth Proportional to 2,819,318.76, 3,890,663.68 and 1,530,159.16

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Solution

The fourth proportional to 2,819,318.76, 3,890,663.68 and 1,530,159.16 is: 2,111,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,318.76 : 3,890,663.68 = 1,530,159.16 : x
  2. Step 2: Convert to fraction form
    2,819,318.76/3,890,663.68 = 1,530,159.16/x
  3. Step 3: Cross multiply
    2,819,318.76x = 3,890,663.68 × 1,530,159.16
  4. Step 4: Simplify right side
    2,819,318.76x = 5,953,334,668,431.31
  5. Step 5: Solve for x
    x = 5,953,334,668,431.31/2,819,318.76
  6. Step 6: Final answer
    x = 2,111,621.70

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Double scale
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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.