Home / 2,057,988.96-3,072,301.51-1,921,225.60

Finding the Fourth Proportional to 2,057,988.96, 3,072,301.51 and 1,921,225.60

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Solution

The fourth proportional to 2,057,988.96, 3,072,301.51 and 1,921,225.60 is: 2,868,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,988.96 : 3,072,301.51 = 1,921,225.60 : x
  2. Step 2: Convert to fraction form
    2,057,988.96/3,072,301.51 = 1,921,225.60/x
  3. Step 3: Cross multiply
    2,057,988.96x = 3,072,301.51 × 1,921,225.60
  4. Step 4: Simplify right side
    2,057,988.96x = 5,902,584,319,973.71
  5. Step 5: Solve for x
    x = 5,902,584,319,973.71/2,057,988.96
  6. Step 6: Final answer
    x = 2,868,132.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.