Home / 2,019,881.16-2,788,446.08-1,256,180.76

Finding the Fourth Proportional to 2,019,881.16, 2,788,446.08 and 1,256,180.76

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Solution

The fourth proportional to 2,019,881.16, 2,788,446.08 and 1,256,180.76 is: 1,734,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,881.16 : 2,788,446.08 = 1,256,180.76 : x
  2. Step 2: Convert to fraction form
    2,019,881.16/2,788,446.08 = 1,256,180.76/x
  3. Step 3: Cross multiply
    2,019,881.16x = 2,788,446.08 × 1,256,180.76
  4. Step 4: Simplify right side
    2,019,881.16x = 3,502,792,315,993.42
  5. Step 5: Solve for x
    x = 3,502,792,315,993.42/2,019,881.16
  6. Step 6: Final answer
    x = 1,734,157.63

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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.