Home / 3,540,203.57-4,885,338.98-1,991,495.92

Finding the Fourth Proportional to 3,540,203.57, 4,885,338.98 and 1,991,495.92

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Solution

The fourth proportional to 3,540,203.57, 4,885,338.98 and 1,991,495.92 is: 2,748,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,203.57 : 4,885,338.98 = 1,991,495.92 : x
  2. Step 2: Convert to fraction form
    3,540,203.57/4,885,338.98 = 1,991,495.92/x
  3. Step 3: Cross multiply
    3,540,203.57x = 4,885,338.98 × 1,991,495.92
  4. Step 4: Simplify right side
    3,540,203.57x = 9,729,132,637,210.20
  5. Step 5: Solve for x
    x = 9,729,132,637,210.20/3,540,203.57
  6. Step 6: Final answer
    x = 2,748,184.52

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1.5x scale

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.