Home / 2,290,099.20-3,160,435.60-1,271,504

Finding the Fourth Proportional to 2,290,099.20, 3,160,435.60 and 1,271,504

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Solution

The fourth proportional to 2,290,099.20, 3,160,435.60 and 1,271,504 is: 1,754,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,099.20 : 3,160,435.60 = 1,271,504 : x
  2. Step 2: Convert to fraction form
    2,290,099.20/3,160,435.60 = 1,271,504/x
  3. Step 3: Cross multiply
    2,290,099.20x = 3,160,435.60 × 1,271,504
  4. Step 4: Simplify right side
    2,290,099.20x = 4,018,506,507,142.40
  5. Step 5: Solve for x
    x = 4,018,506,507,142.40/2,290,099.20
  6. Step 6: Final answer
    x = 1,754,730.32

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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.