Home / 1,600,627.80-2,208,937.12-921,783

Finding the Fourth Proportional to 1,600,627.80, 2,208,937.12 and 921,783

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Solution

The fourth proportional to 1,600,627.80, 2,208,937.12 and 921,783 is: 1,272,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,627.80 : 2,208,937.12 = 921,783 : x
  2. Step 2: Convert to fraction form
    1,600,627.80/2,208,937.12 = 921,783/x
  3. Step 3: Cross multiply
    1,600,627.80x = 2,208,937.12 × 921,783
  4. Step 4: Simplify right side
    1,600,627.80x = 2,036,160,685,284.96
  5. Step 5: Solve for x
    x = 2,036,160,685,284.96/1,600,627.80
  6. Step 6: Final answer
    x = 1,272,101.29

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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.