Home / 1,663,105.01-2,294,947.44-938,130.90

Finding the Fourth Proportional to 1,663,105.01, 2,294,947.44 and 938,130.90

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Solution

The fourth proportional to 1,663,105.01, 2,294,947.44 and 938,130.90 is: 1,294,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,105.01 : 2,294,947.44 = 938,130.90 : x
  2. Step 2: Convert to fraction form
    1,663,105.01/2,294,947.44 = 938,130.90/x
  3. Step 3: Cross multiply
    1,663,105.01x = 2,294,947.44 × 938,130.90
  4. Step 4: Simplify right side
    1,663,105.01x = 2,152,961,107,339.90
  5. Step 5: Solve for x
    x = 2,152,961,107,339.90/1,663,105.01
  6. Step 6: Final answer
    x = 1,294,543.10

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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.