Home / 1,980,677.56-2,733,357-1,121,218.96

Finding the Fourth Proportional to 1,980,677.56, 2,733,357 and 1,121,218.96

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Solution

The fourth proportional to 1,980,677.56, 2,733,357 and 1,121,218.96 is: 1,547,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,677.56 : 2,733,357 = 1,121,218.96 : x
  2. Step 2: Convert to fraction form
    1,980,677.56/2,733,357 = 1,121,218.96/x
  3. Step 3: Cross multiply
    1,980,677.56x = 2,733,357 × 1,121,218.96
  4. Step 4: Simplify right side
    1,980,677.56x = 3,064,691,692,848.72
  5. Step 5: Solve for x
    x = 3,064,691,692,848.72/1,980,677.56
  6. Step 6: Final answer
    x = 1,547,294.60

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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.