Home / 1,988,056.80-2,982,085.20-1,767,607.20

Finding the Fourth Proportional to 1,988,056.80, 2,982,085.20 and 1,767,607.20

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Solution

The fourth proportional to 1,988,056.80, 2,982,085.20 and 1,767,607.20 is: 2,651,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,056.80 : 2,982,085.20 = 1,767,607.20 : x
  2. Step 2: Convert to fraction form
    1,988,056.80/2,982,085.20 = 1,767,607.20/x
  3. Step 3: Cross multiply
    1,988,056.80x = 2,982,085.20 × 1,767,607.20
  4. Step 4: Simplify right side
    1,988,056.80x = 5,271,155,270,533.44
  5. Step 5: Solve for x
    x = 5,271,155,270,533.44/1,988,056.80
  6. Step 6: Final answer
    x = 2,651,410.80

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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.