Home / 1,600,616.43-2,208,921.44-921,771.63

Finding the Fourth Proportional to 1,600,616.43, 2,208,921.44 and 921,771.63

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Solution

The fourth proportional to 1,600,616.43, 2,208,921.44 and 921,771.63 is: 1,272,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,616.43 : 2,208,921.44 = 921,771.63 : x
  2. Step 2: Convert to fraction form
    1,600,616.43/2,208,921.44 = 921,771.63/x
  3. Step 3: Cross multiply
    1,600,616.43x = 2,208,921.44 × 921,771.63
  4. Step 4: Simplify right side
    1,600,616.43x = 2,036,121,111,681.89
  5. Step 5: Solve for x
    x = 2,036,121,111,681.89/1,600,616.43
  6. Step 6: Final answer
    x = 1,272,085.60

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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.