Home / 3,260,070.72-4,889,459.16-1,640,407.68

Finding the Fourth Proportional to 3,260,070.72, 4,889,459.16 and 1,640,407.68

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Solution

The fourth proportional to 3,260,070.72, 4,889,459.16 and 1,640,407.68 is: 2,460,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,070.72 : 4,889,459.16 = 1,640,407.68 : x
  2. Step 2: Convert to fraction form
    3,260,070.72/4,889,459.16 = 1,640,407.68/x
  3. Step 3: Cross multiply
    3,260,070.72x = 4,889,459.16 × 1,640,407.68
  4. Step 4: Simplify right side
    3,260,070.72x = 8,020,706,357,110.35
  5. Step 5: Solve for x
    x = 8,020,706,357,110.35/3,260,070.72
  6. Step 6: Final answer
    x = 2,460,286.00

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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.