Home / 4,271,657.20-6,407,485.80-2,679,132.40

Finding the Fourth Proportional to 4,271,657.20, 6,407,485.80 and 2,679,132.40

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Solution

The fourth proportional to 4,271,657.20, 6,407,485.80 and 2,679,132.40 is: 4,018,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271,657.20 : 6,407,485.80 = 2,679,132.40 : x
  2. Step 2: Convert to fraction form
    4,271,657.20/6,407,485.80 = 2,679,132.40/x
  3. Step 3: Cross multiply
    4,271,657.20x = 6,407,485.80 × 2,679,132.40
  4. Step 4: Simplify right side
    4,271,657.20x = 17,166,502,809,319.92
  5. Step 5: Solve for x
    x = 17,166,502,809,319.92/4,271,657.20
  6. Step 6: Final answer
    x = 4,018,698.60

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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.