Home / 4,314,643.20-6,474,297.60-1,918,857.60

Finding the Fourth Proportional to 4,314,643.20, 6,474,297.60 and 1,918,857.60

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Solution

The fourth proportional to 4,314,643.20, 6,474,297.60 and 1,918,857.60 is: 2,879,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314,643.20 : 6,474,297.60 = 1,918,857.60 : x
  2. Step 2: Convert to fraction form
    4,314,643.20/6,474,297.60 = 1,918,857.60/x
  3. Step 3: Cross multiply
    4,314,643.20x = 6,474,297.60 × 1,918,857.60
  4. Step 4: Simplify right side
    4,314,643.20x = 12,423,255,154,421.76
  5. Step 5: Solve for x
    x = 12,423,255,154,421.76/4,314,643.20
  6. Step 6: Final answer
    x = 2,879,323.87

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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.