Home / 1,982,848.40-2,736,348.12-1,077,430.40

Finding the Fourth Proportional to 1,982,848.40, 2,736,348.12 and 1,077,430.40

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Solution

The fourth proportional to 1,982,848.40, 2,736,348.12 and 1,077,430.40 is: 1,486,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,848.40 : 2,736,348.12 = 1,077,430.40 : x
  2. Step 2: Convert to fraction form
    1,982,848.40/2,736,348.12 = 1,077,430.40/x
  3. Step 3: Cross multiply
    1,982,848.40x = 2,736,348.12 × 1,077,430.40
  4. Step 4: Simplify right side
    1,982,848.40x = 2,948,224,649,470.85
  5. Step 5: Solve for x
    x = 2,948,224,649,470.85/1,982,848.40
  6. Step 6: Final answer
    x = 1,486,863.37

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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.