Home / 4,938,955.20-7,408,977.12-1,572,379.20

Finding the Fourth Proportional to 4,938,955.20, 7,408,977.12 and 1,572,379.20

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Solution

The fourth proportional to 4,938,955.20, 7,408,977.12 and 1,572,379.20 is: 2,358,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938,955.20 : 7,408,977.12 = 1,572,379.20 : x
  2. Step 2: Convert to fraction form
    4,938,955.20/7,408,977.12 = 1,572,379.20/x
  3. Step 3: Cross multiply
    4,938,955.20x = 7,408,977.12 × 1,572,379.20
  4. Step 4: Simplify right side
    4,938,955.20x = 11,649,721,516,763.90
  5. Step 5: Solve for x
    x = 11,649,721,516,763.90/4,938,955.20
  6. Step 6: Final answer
    x = 2,358,742.09

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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.