Home / 2,134,700.78-2,945,565.51-1,217,009.66

Finding the Fourth Proportional to 2,134,700.78, 2,945,565.51 and 1,217,009.66

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Solution

The fourth proportional to 2,134,700.78, 2,945,565.51 and 1,217,009.66 is: 1,679,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,700.78 : 2,945,565.51 = 1,217,009.66 : x
  2. Step 2: Convert to fraction form
    2,134,700.78/2,945,565.51 = 1,217,009.66/x
  3. Step 3: Cross multiply
    2,134,700.78x = 2,945,565.51 × 1,217,009.66
  4. Step 4: Simplify right side
    2,134,700.78x = 3,584,781,679,832.83
  5. Step 5: Solve for x
    x = 3,584,781,679,832.83/2,134,700.78
  6. Step 6: Final answer
    x = 1,679,290.00

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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.