Home / 4,838,784.40-7,258,176.60-3,138,173.20

Finding the Fourth Proportional to 4,838,784.40, 7,258,176.60 and 3,138,173.20

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Solution

The fourth proportional to 4,838,784.40, 7,258,176.60 and 3,138,173.20 is: 4,707,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838,784.40 : 7,258,176.60 = 3,138,173.20 : x
  2. Step 2: Convert to fraction form
    4,838,784.40/7,258,176.60 = 3,138,173.20/x
  3. Step 3: Cross multiply
    4,838,784.40x = 7,258,176.60 × 3,138,173.20
  4. Step 4: Simplify right side
    4,838,784.40x = 22,777,415,286,987.12
  5. Step 5: Solve for x
    x = 22,777,415,286,987.12/4,838,784.40
  6. Step 6: Final answer
    x = 4,707,259.80

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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.