Home / 2,948,690.96-4,070,448.72-1,982,381.48

Finding the Fourth Proportional to 2,948,690.96, 4,070,448.72 and 1,982,381.48

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Solution

The fourth proportional to 2,948,690.96, 4,070,448.72 and 1,982,381.48 is: 2,736,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,690.96 : 4,070,448.72 = 1,982,381.48 : x
  2. Step 2: Convert to fraction form
    2,948,690.96/4,070,448.72 = 1,982,381.48/x
  3. Step 3: Cross multiply
    2,948,690.96x = 4,070,448.72 × 1,982,381.48
  4. Step 4: Simplify right side
    2,948,690.96x = 8,069,182,157,817.71
  5. Step 5: Solve for x
    x = 8,069,182,157,817.71/2,948,690.96
  6. Step 6: Final answer
    x = 2,736,530.30

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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.