Home / 3,508,312.80-5,258,386.80-1,615,245.60

Finding the Fourth Proportional to 3,508,312.80, 5,258,386.80 and 1,615,245.60

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Solution

The fourth proportional to 3,508,312.80, 5,258,386.80 and 1,615,245.60 is: 2,420,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508,312.80 : 5,258,386.80 = 1,615,245.60 : x
  2. Step 2: Convert to fraction form
    3,508,312.80/5,258,386.80 = 1,615,245.60/x
  3. Step 3: Cross multiply
    3,508,312.80x = 5,258,386.80 × 1,615,245.60
  4. Step 4: Simplify right side
    3,508,312.80x = 8,493,586,141,798.08
  5. Step 5: Solve for x
    x = 8,493,586,141,798.08/3,508,312.80
  6. Step 6: Final answer
    x = 2,420,988.84

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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.