Home / 2,087,872.56-2,881,466.52-1,170,257.64

Finding the Fourth Proportional to 2,087,872.56, 2,881,466.52 and 1,170,257.64

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Solution

The fourth proportional to 2,087,872.56, 2,881,466.52 and 1,170,257.64 is: 1,615,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,872.56 : 2,881,466.52 = 1,170,257.64 : x
  2. Step 2: Convert to fraction form
    2,087,872.56/2,881,466.52 = 1,170,257.64/x
  3. Step 3: Cross multiply
    2,087,872.56x = 2,881,466.52 × 1,170,257.64
  4. Step 4: Simplify right side
    2,087,872.56x = 3,372,058,209,434.21
  5. Step 5: Solve for x
    x = 3,372,058,209,434.21/2,087,872.56
  6. Step 6: Final answer
    x = 1,615,068.98

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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.