Home / 5,438,216.40-8,157,065.40-1,843,630.80

Finding the Fourth Proportional to 5,438,216.40, 8,157,065.40 and 1,843,630.80

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Solution

The fourth proportional to 5,438,216.40, 8,157,065.40 and 1,843,630.80 is: 2,765,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,216.40 : 8,157,065.40 = 1,843,630.80 : x
  2. Step 2: Convert to fraction form
    5,438,216.40/8,157,065.40 = 1,843,630.80/x
  3. Step 3: Cross multiply
    5,438,216.40x = 8,157,065.40 × 1,843,630.80
  4. Step 4: Simplify right side
    5,438,216.40x = 15,038,617,009,054.32
  5. Step 5: Solve for x
    x = 15,038,617,009,054.32/5,438,216.40
  6. Step 6: Final answer
    x = 2,765,358.33

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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.