Home / 2,772,344.40-4,158,840.60-879,277.20

Finding the Fourth Proportional to 2,772,344.40, 4,158,840.60 and 879,277.20

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Solution

The fourth proportional to 2,772,344.40, 4,158,840.60 and 879,277.20 is: 1,319,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,344.40 : 4,158,840.60 = 879,277.20 : x
  2. Step 2: Convert to fraction form
    2,772,344.40/4,158,840.60 = 879,277.20/x
  3. Step 3: Cross multiply
    2,772,344.40x = 4,158,840.60 × 879,277.20
  4. Step 4: Simplify right side
    2,772,344.40x = 3,656,773,718,014.32
  5. Step 5: Solve for x
    x = 3,656,773,718,014.32/2,772,344.40
  6. Step 6: Final answer
    x = 1,319,018.56

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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.