Home / 4,811,657.20-7,217,485.80-1,615,721.20

Finding the Fourth Proportional to 4,811,657.20, 7,217,485.80 and 1,615,721.20

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Solution

The fourth proportional to 4,811,657.20, 7,217,485.80 and 1,615,721.20 is: 2,423,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811,657.20 : 7,217,485.80 = 1,615,721.20 : x
  2. Step 2: Convert to fraction form
    4,811,657.20/7,217,485.80 = 1,615,721.20/x
  3. Step 3: Cross multiply
    4,811,657.20x = 7,217,485.80 × 1,615,721.20
  4. Step 4: Simplify right side
    4,811,657.20x = 11,661,444,817,758.96
  5. Step 5: Solve for x
    x = 11,661,444,817,758.96/4,811,657.20
  6. Step 6: Final answer
    x = 2,423,581.80

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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.