Home / 2,005,428.96-2,767,496.40-1,145,987.28

Finding the Fourth Proportional to 2,005,428.96, 2,767,496.40 and 1,145,987.28

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Solution

The fourth proportional to 2,005,428.96, 2,767,496.40 and 1,145,987.28 is: 1,581,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,428.96 : 2,767,496.40 = 1,145,987.28 : x
  2. Step 2: Convert to fraction form
    2,005,428.96/2,767,496.40 = 1,145,987.28/x
  3. Step 3: Cross multiply
    2,005,428.96x = 2,767,496.40 × 1,145,987.28
  4. Step 4: Simplify right side
    2,005,428.96x = 3,171,515,671,845.79
  5. Step 5: Solve for x
    x = 3,171,515,671,845.79/2,005,428.96
  6. Step 6: Final answer
    x = 1,581,464.98

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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.