Home / 2,071,123.80-3,106,685.70-740,947.80

Finding the Fourth Proportional to 2,071,123.80, 3,106,685.70 and 740,947.80

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Solution

The fourth proportional to 2,071,123.80, 3,106,685.70 and 740,947.80 is: 1,111,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,123.80 : 3,106,685.70 = 740,947.80 : x
  2. Step 2: Convert to fraction form
    2,071,123.80/3,106,685.70 = 740,947.80/x
  3. Step 3: Cross multiply
    2,071,123.80x = 3,106,685.70 × 740,947.80
  4. Step 4: Simplify right side
    2,071,123.80x = 2,301,891,934,706.46
  5. Step 5: Solve for x
    x = 2,301,891,934,706.46/2,071,123.80
  6. Step 6: Final answer
    x = 1,111,421.70

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Similar ratio
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1.5x scale

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.