Home / 2,641,619.67-3,959,663.95-1,105,495.20

Finding the Fourth Proportional to 2,641,619.67, 3,959,663.95 and 1,105,495.20

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Solution

The fourth proportional to 2,641,619.67, 3,959,663.95 and 1,105,495.20 is: 1,657,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,619.67 : 3,959,663.95 = 1,105,495.20 : x
  2. Step 2: Convert to fraction form
    2,641,619.67/3,959,663.95 = 1,105,495.20/x
  3. Step 3: Cross multiply
    2,641,619.67x = 3,959,663.95 × 1,105,495.20
  4. Step 4: Simplify right side
    2,641,619.67x = 4,377,389,477,675.14
  5. Step 5: Solve for x
    x = 4,377,389,477,675.14/2,641,619.67
  6. Step 6: Final answer
    x = 1,657,085.44

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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.