Home / 2,643,275.58-3,647,017.05-1,525,381.12

Finding the Fourth Proportional to 2,643,275.58, 3,647,017.05 and 1,525,381.12

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Solution

The fourth proportional to 2,643,275.58, 3,647,017.05 and 1,525,381.12 is: 2,104,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,275.58 : 3,647,017.05 = 1,525,381.12 : x
  2. Step 2: Convert to fraction form
    2,643,275.58/3,647,017.05 = 1,525,381.12/x
  3. Step 3: Cross multiply
    2,643,275.58x = 3,647,017.05 × 1,525,381.12
  4. Step 4: Simplify right side
    2,643,275.58x = 5,563,090,939,292.49
  5. Step 5: Solve for x
    x = 5,563,090,939,292.49/2,643,275.58
  6. Step 6: Final answer
    x = 2,104,620.11

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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.