Home / 3,615,705.94-4,989,660.45-1,984,140.34

Finding the Fourth Proportional to 3,615,705.94, 4,989,660.45 and 1,984,140.34

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Solution

The fourth proportional to 3,615,705.94, 4,989,660.45 and 1,984,140.34 is: 2,738,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,705.94 : 4,989,660.45 = 1,984,140.34 : x
  2. Step 2: Convert to fraction form
    3,615,705.94/4,989,660.45 = 1,984,140.34/x
  3. Step 3: Cross multiply
    3,615,705.94x = 4,989,660.45 × 1,984,140.34
  4. Step 4: Simplify right side
    3,615,705.94x = 9,900,186,581,747.56
  5. Step 5: Solve for x
    x = 9,900,186,581,747.56/3,615,705.94
  6. Step 6: Final answer
    x = 2,738,106.13

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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.