Home / 5,164,905.20-7,747,357.80-1,570,643.60

Finding the Fourth Proportional to 5,164,905.20, 7,747,357.80 and 1,570,643.60

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Solution

The fourth proportional to 5,164,905.20, 7,747,357.80 and 1,570,643.60 is: 2,355,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,905.20 : 7,747,357.80 = 1,570,643.60 : x
  2. Step 2: Convert to fraction form
    5,164,905.20/7,747,357.80 = 1,570,643.60/x
  3. Step 3: Cross multiply
    5,164,905.20x = 7,747,357.80 × 1,570,643.60
  4. Step 4: Simplify right side
    5,164,905.20x = 12,168,337,945,480.08
  5. Step 5: Solve for x
    x = 12,168,337,945,480.08/5,164,905.20
  6. Step 6: Final answer
    x = 2,355,965.40

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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.