Home / 2,135,420.30-2,946,880.28-1,168,550.80

Finding the Fourth Proportional to 2,135,420.30, 2,946,880.28 and 1,168,550.80

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Solution

The fourth proportional to 2,135,420.30, 2,946,880.28 and 1,168,550.80 is: 1,612,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,420.30 : 2,946,880.28 = 1,168,550.80 : x
  2. Step 2: Convert to fraction form
    2,135,420.30/2,946,880.28 = 1,168,550.80/x
  3. Step 3: Cross multiply
    2,135,420.30x = 2,946,880.28 × 1,168,550.80
  4. Step 4: Simplify right side
    2,135,420.30x = 3,443,579,304,252.40
  5. Step 5: Solve for x
    x = 3,443,579,304,252.40/2,135,420.30
  6. Step 6: Final answer
    x = 1,612,600.25

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1.5x scale

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.