Home / 1,645,110.27-2,270,157.98-910,020.69

Finding the Fourth Proportional to 1,645,110.27, 2,270,157.98 and 910,020.69

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Solution

The fourth proportional to 1,645,110.27, 2,270,157.98 and 910,020.69 is: 1,255,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,110.27 : 2,270,157.98 = 910,020.69 : x
  2. Step 2: Convert to fraction form
    1,645,110.27/2,270,157.98 = 910,020.69/x
  3. Step 3: Cross multiply
    1,645,110.27x = 2,270,157.98 × 910,020.69
  4. Step 4: Simplify right side
    1,645,110.27x = 2,065,890,726,818.50
  5. Step 5: Solve for x
    x = 2,065,890,726,818.50/1,645,110.27
  6. Step 6: Final answer
    x = 1,255,776.45

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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.