Home / 2,742,165.76-4,113,204.48-747,621.76

Finding the Fourth Proportional to 2,742,165.76, 4,113,204.48 and 747,621.76

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Solution

The fourth proportional to 2,742,165.76, 4,113,204.48 and 747,621.76 is: 1,121,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,165.76 : 4,113,204.48 = 747,621.76 : x
  2. Step 2: Convert to fraction form
    2,742,165.76/4,113,204.48 = 747,621.76/x
  3. Step 3: Cross multiply
    2,742,165.76x = 4,113,204.48 × 747,621.76
  4. Step 4: Simplify right side
    2,742,165.76x = 3,075,121,172,577.49
  5. Step 5: Solve for x
    x = 3,075,121,172,577.49/2,742,165.76
  6. Step 6: Final answer
    x = 1,121,420.60

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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.