Home / 3,635,403.40-5,453,053.90-1,640,856.20

Finding the Fourth Proportional to 3,635,403.40, 5,453,053.90 and 1,640,856.20

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Solution

The fourth proportional to 3,635,403.40, 5,453,053.90 and 1,640,856.20 is: 2,461,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635,403.40 : 5,453,053.90 = 1,640,856.20 : x
  2. Step 2: Convert to fraction form
    3,635,403.40/5,453,053.90 = 1,640,856.20/x
  3. Step 3: Cross multiply
    3,635,403.40x = 5,453,053.90 × 1,640,856.20
  4. Step 4: Simplify right side
    3,635,403.40x = 8,947,677,300,749.18
  5. Step 5: Solve for x
    x = 8,947,677,300,749.18/3,635,403.40
  6. Step 6: Final answer
    x = 2,461,261.19

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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.