Home / 2,154,437.64-2,973,123.18-1,187,584.02

Finding the Fourth Proportional to 2,154,437.64, 2,973,123.18 and 1,187,584.02

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Solution

The fourth proportional to 2,154,437.64, 2,973,123.18 and 1,187,584.02 is: 1,638,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,437.64 : 2,973,123.18 = 1,187,584.02 : x
  2. Step 2: Convert to fraction form
    2,154,437.64/2,973,123.18 = 1,187,584.02/x
  3. Step 3: Cross multiply
    2,154,437.64x = 2,973,123.18 × 1,187,584.02
  4. Step 4: Simplify right side
    2,154,437.64x = 3,530,833,578,059.58
  5. Step 5: Solve for x
    x = 3,530,833,578,059.58/2,154,437.64
  6. Step 6: Final answer
    x = 1,638,865.53

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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.