Home / 1,561,965.89-2,154,876.98-1,017,903.47

Finding the Fourth Proportional to 1,561,965.89, 2,154,876.98 and 1,017,903.47

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Solution

The fourth proportional to 1,561,965.89, 2,154,876.98 and 1,017,903.47 is: 1,404,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,965.89 : 2,154,876.98 = 1,017,903.47 : x
  2. Step 2: Convert to fraction form
    1,561,965.89/2,154,876.98 = 1,017,903.47/x
  3. Step 3: Cross multiply
    1,561,965.89x = 2,154,876.98 × 1,017,903.47
  4. Step 4: Simplify right side
    1,561,965.89x = 2,193,456,739,501.22
  5. Step 5: Solve for x
    x = 2,193,456,739,501.22/1,561,965.89
  6. Step 6: Final answer
    x = 1,404,292.35

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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.