Home / 5,378,303.20-8,064,344.40-2,012,850.40

Finding the Fourth Proportional to 5,378,303.20, 8,064,344.40 and 2,012,850.40

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Solution

The fourth proportional to 5,378,303.20, 8,064,344.40 and 2,012,850.40 is: 3,018,111.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,303.20 : 8,064,344.40 = 2,012,850.40 : x
  2. Step 2: Convert to fraction form
    5,378,303.20/8,064,344.40 = 2,012,850.40/x
  3. Step 3: Cross multiply
    5,378,303.20x = 8,064,344.40 × 2,012,850.40
  4. Step 4: Simplify right side
    5,378,303.20x = 16,232,318,851,277.76
  5. Step 5: Solve for x
    x = 16,232,318,851,277.76/5,378,303.20
  6. Step 6: Final answer
    x = 3,018,111.52

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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.