Home / 2,160,312.51-2,981,316.54-1,242,540.19

Finding the Fourth Proportional to 2,160,312.51, 2,981,316.54 and 1,242,540.19

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Solution

The fourth proportional to 2,160,312.51, 2,981,316.54 and 1,242,540.19 is: 1,714,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,312.51 : 2,981,316.54 = 1,242,540.19 : x
  2. Step 2: Convert to fraction form
    2,160,312.51/2,981,316.54 = 1,242,540.19/x
  3. Step 3: Cross multiply
    2,160,312.51x = 2,981,316.54 × 1,242,540.19
  4. Step 4: Simplify right side
    2,160,312.51x = 3,704,405,620,061.74
  5. Step 5: Solve for x
    x = 3,704,405,620,061.74/2,160,312.51
  6. Step 6: Final answer
    x = 1,714,754.51

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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.