Home / 2,638,057.06-3,640,312.29-1,550,369.62

Finding the Fourth Proportional to 2,638,057.06, 3,640,312.29 and 1,550,369.62

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Solution

The fourth proportional to 2,638,057.06, 3,640,312.29 and 1,550,369.62 is: 2,139,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,057.06 : 3,640,312.29 = 1,550,369.62 : x
  2. Step 2: Convert to fraction form
    2,638,057.06/3,640,312.29 = 1,550,369.62/x
  3. Step 3: Cross multiply
    2,638,057.06x = 3,640,312.29 × 1,550,369.62
  4. Step 4: Simplify right side
    2,638,057.06x = 5,643,829,581,728.63
  5. Step 5: Solve for x
    x = 5,643,829,581,728.63/2,638,057.06
  6. Step 6: Final answer
    x = 2,139,388.74

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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.