Home / 2,547,536.09-3,515,627.70-1,385,988.95

Finding the Fourth Proportional to 2,547,536.09, 3,515,627.70 and 1,385,988.95

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Solution

The fourth proportional to 2,547,536.09, 3,515,627.70 and 1,385,988.95 is: 1,912,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547,536.09 : 3,515,627.70 = 1,385,988.95 : x
  2. Step 2: Convert to fraction form
    2,547,536.09/3,515,627.70 = 1,385,988.95/x
  3. Step 3: Cross multiply
    2,547,536.09x = 3,515,627.70 × 1,385,988.95
  4. Step 4: Simplify right side
    2,547,536.09x = 4,872,621,121,738.32
  5. Step 5: Solve for x
    x = 4,872,621,121,738.32/2,547,536.09
  6. Step 6: Final answer
    x = 1,912,679.92

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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.