Home / 5,978,077.32-8,249,928.66-3,400,129.20

Finding the Fourth Proportional to 5,978,077.32, 8,249,928.66 and 3,400,129.20

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Solution

The fourth proportional to 5,978,077.32, 8,249,928.66 and 3,400,129.20 is: 4,692,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,077.32 : 8,249,928.66 = 3,400,129.20 : x
  2. Step 2: Convert to fraction form
    5,978,077.32/8,249,928.66 = 3,400,129.20/x
  3. Step 3: Cross multiply
    5,978,077.32x = 8,249,928.66 × 3,400,129.20
  4. Step 4: Simplify right side
    5,978,077.32x = 28,050,823,334,782.88
  5. Step 5: Solve for x
    x = 28,050,823,334,782.88/5,978,077.32
  6. Step 6: Final answer
    x = 4,692,281.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.