Home / 1,656,988.52-2,286,622.42-931,836

Finding the Fourth Proportional to 1,656,988.52, 2,286,622.42 and 931,836

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Solution

The fourth proportional to 1,656,988.52, 2,286,622.42 and 931,836 is: 1,285,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,988.52 : 2,286,622.42 = 931,836 : x
  2. Step 2: Convert to fraction form
    1,656,988.52/2,286,622.42 = 931,836/x
  3. Step 3: Cross multiply
    1,656,988.52x = 2,286,622.42 × 931,836
  4. Step 4: Simplify right side
    1,656,988.52x = 2,130,757,089,363.12
  5. Step 5: Solve for x
    x = 2,130,757,089,363.12/1,656,988.52
  6. Step 6: Final answer
    x = 1,285,921.46

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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.