Home / 3,190,501.80-4,785,752.70-1,993,775.40

Finding the Fourth Proportional to 3,190,501.80, 4,785,752.70 and 1,993,775.40

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Solution

The fourth proportional to 3,190,501.80, 4,785,752.70 and 1,993,775.40 is: 2,990,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190,501.80 : 4,785,752.70 = 1,993,775.40 : x
  2. Step 2: Convert to fraction form
    3,190,501.80/4,785,752.70 = 1,993,775.40/x
  3. Step 3: Cross multiply
    3,190,501.80x = 4,785,752.70 × 1,993,775.40
  4. Step 4: Simplify right side
    3,190,501.80x = 9,541,716,003,743.58
  5. Step 5: Solve for x
    x = 9,541,716,003,743.58/3,190,501.80
  6. Step 6: Final answer
    x = 2,990,663.10

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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.