Home / 2,574,563.20-3,553,063.30-1,428,643.55

Finding the Fourth Proportional to 2,574,563.20, 3,553,063.30 and 1,428,643.55

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Solution

The fourth proportional to 2,574,563.20, 3,553,063.30 and 1,428,643.55 is: 1,971,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,563.20 : 3,553,063.30 = 1,428,643.55 : x
  2. Step 2: Convert to fraction form
    2,574,563.20/3,553,063.30 = 1,428,643.55/x
  3. Step 3: Cross multiply
    2,574,563.20x = 3,553,063.30 × 1,428,643.55
  4. Step 4: Simplify right side
    2,574,563.20x = 5,076,060,948,933.08
  5. Step 5: Solve for x
    x = 5,076,060,948,933.08/2,574,563.20
  6. Step 6: Final answer
    x = 1,971,620.25

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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.