Home / 2,938,681.70-4,408,022.55-2,080,211.30

Finding the Fourth Proportional to 2,938,681.70, 4,408,022.55 and 2,080,211.30

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Solution

The fourth proportional to 2,938,681.70, 4,408,022.55 and 2,080,211.30 is: 3,120,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,681.70 : 4,408,022.55 = 2,080,211.30 : x
  2. Step 2: Convert to fraction form
    2,938,681.70/4,408,022.55 = 2,080,211.30/x
  3. Step 3: Cross multiply
    2,938,681.70x = 4,408,022.55 × 2,080,211.30
  4. Step 4: Simplify right side
    2,938,681.70x = 9,169,618,319,164.82
  5. Step 5: Solve for x
    x = 9,169,618,319,164.82/2,938,681.70
  6. Step 6: Final answer
    x = 3,120,316.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.