Home / 1,985,020.40-2,738,036.04-1,168,535.54

Finding the Fourth Proportional to 1,985,020.40, 2,738,036.04 and 1,168,535.54

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Solution

The fourth proportional to 1,985,020.40, 2,738,036.04 and 1,168,535.54 is: 1,611,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,020.40 : 2,738,036.04 = 1,168,535.54 : x
  2. Step 2: Convert to fraction form
    1,985,020.40/2,738,036.04 = 1,168,535.54/x
  3. Step 3: Cross multiply
    1,985,020.40x = 2,738,036.04 × 1,168,535.54
  4. Step 4: Simplify right side
    1,985,020.40x = 3,199,492,422,540.86
  5. Step 5: Solve for x
    x = 3,199,492,422,540.86/1,985,020.40
  6. Step 6: Final answer
    x = 1,611,818.41

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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.