Home / 2,238,030.80-3,358,038.36-1,172,819.60

Finding the Fourth Proportional to 2,238,030.80, 3,358,038.36 and 1,172,819.60

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Solution

The fourth proportional to 2,238,030.80, 3,358,038.36 and 1,172,819.60 is: 1,759,749.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,030.80 : 3,358,038.36 = 1,172,819.60 : x
  2. Step 2: Convert to fraction form
    2,238,030.80/3,358,038.36 = 1,172,819.60/x
  3. Step 3: Cross multiply
    2,238,030.80x = 3,358,038.36 × 1,172,819.60
  4. Step 4: Simplify right side
    2,238,030.80x = 3,938,373,206,159.86
  5. Step 5: Solve for x
    x = 3,938,373,206,159.86/2,238,030.80
  6. Step 6: Final answer
    x = 1,759,749.33

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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.