Home / 3,188,389.25-4,401,547.98-2,209,070.81

Finding the Fourth Proportional to 3,188,389.25, 4,401,547.98 and 2,209,070.81

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Solution

The fourth proportional to 3,188,389.25, 4,401,547.98 and 2,209,070.81 is: 3,049,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,389.25 : 4,401,547.98 = 2,209,070.81 : x
  2. Step 2: Convert to fraction form
    3,188,389.25/4,401,547.98 = 2,209,070.81/x
  3. Step 3: Cross multiply
    3,188,389.25x = 4,401,547.98 × 2,209,070.81
  4. Step 4: Simplify right side
    3,188,389.25x = 9,723,331,161,432.47
  5. Step 5: Solve for x
    x = 9,723,331,161,432.47/3,188,389.25
  6. Step 6: Final answer
    x = 3,049,606.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.