Home / 5,191,415.74-7,164,111.36-2,868,300.96

Finding the Fourth Proportional to 5,191,415.74, 7,164,111.36 and 2,868,300.96

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Solution

The fourth proportional to 5,191,415.74, 7,164,111.36 and 2,868,300.96 is: 3,958,231.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,415.74 : 7,164,111.36 = 2,868,300.96 : x
  2. Step 2: Convert to fraction form
    5,191,415.74/7,164,111.36 = 2,868,300.96/x
  3. Step 3: Cross multiply
    5,191,415.74x = 7,164,111.36 × 2,868,300.96
  4. Step 4: Simplify right side
    5,191,415.74x = 20,548,827,459,191.42
  5. Step 5: Solve for x
    x = 20,548,827,459,191.42/5,191,415.74
  6. Step 6: Final answer
    x = 3,958,231.92

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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.