Home / 3,621,920.40-5,432,880.60-1,097,701.20

Finding the Fourth Proportional to 3,621,920.40, 5,432,880.60 and 1,097,701.20

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Solution

The fourth proportional to 3,621,920.40, 5,432,880.60 and 1,097,701.20 is: 1,646,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,920.40 : 5,432,880.60 = 1,097,701.20 : x
  2. Step 2: Convert to fraction form
    3,621,920.40/5,432,880.60 = 1,097,701.20/x
  3. Step 3: Cross multiply
    3,621,920.40x = 5,432,880.60 × 1,097,701.20
  4. Step 4: Simplify right side
    3,621,920.40x = 5,963,679,554,076.72
  5. Step 5: Solve for x
    x = 5,963,679,554,076.72/3,621,920.40
  6. Step 6: Final answer
    x = 1,646,551.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.