Home / 3,020,123.20-4,167,949.80-1,731,047.08

Finding the Fourth Proportional to 3,020,123.20, 4,167,949.80 and 1,731,047.08

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Solution

The fourth proportional to 3,020,123.20, 4,167,949.80 and 1,731,047.08 is: 2,388,948.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,123.20 : 4,167,949.80 = 1,731,047.08 : x
  2. Step 2: Convert to fraction form
    3,020,123.20/4,167,949.80 = 1,731,047.08/x
  3. Step 3: Cross multiply
    3,020,123.20x = 4,167,949.80 × 1,731,047.08
  4. Step 4: Simplify right side
    3,020,123.20x = 7,214,917,330,876.58
  5. Step 5: Solve for x
    x = 7,214,917,330,876.58/3,020,123.20
  6. Step 6: Final answer
    x = 2,388,948.02

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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.