Home / 3,168,774.29-4,372,790.45-1,878,842.81

Finding the Fourth Proportional to 3,168,774.29, 4,372,790.45 and 1,878,842.81

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Solution

The fourth proportional to 3,168,774.29, 4,372,790.45 and 1,878,842.81 is: 2,592,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,774.29 : 4,372,790.45 = 1,878,842.81 : x
  2. Step 2: Convert to fraction form
    3,168,774.29/4,372,790.45 = 1,878,842.81/x
  3. Step 3: Cross multiply
    3,168,774.29x = 4,372,790.45 × 1,878,842.81
  4. Step 4: Simplify right side
    3,168,774.29x = 8,215,785,865,361.00
  5. Step 5: Solve for x
    x = 8,215,785,865,361.00/3,168,774.29
  6. Step 6: Final answer
    x = 2,592,733.07

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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.