Home / 2,142,260.01-2,956,318.70-1,224,508.86

Finding the Fourth Proportional to 2,142,260.01, 2,956,318.70 and 1,224,508.86

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Solution

The fourth proportional to 2,142,260.01, 2,956,318.70 and 1,224,508.86 is: 1,689,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,260.01 : 2,956,318.70 = 1,224,508.86 : x
  2. Step 2: Convert to fraction form
    2,142,260.01/2,956,318.70 = 1,224,508.86/x
  3. Step 3: Cross multiply
    2,142,260.01x = 2,956,318.70 × 1,224,508.86
  4. Step 4: Simplify right side
    2,142,260.01x = 3,620,038,435,011.14
  5. Step 5: Solve for x
    x = 3,620,038,435,011.14/2,142,260.01
  6. Step 6: Final answer
    x = 1,689,822.16

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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.