Home / 1,927,806.30-2,891,191.05-805,643.10

Finding the Fourth Proportional to 1,927,806.30, 2,891,191.05 and 805,643.10

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Solution

The fourth proportional to 1,927,806.30, 2,891,191.05 and 805,643.10 is: 1,208,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,806.30 : 2,891,191.05 = 805,643.10 : x
  2. Step 2: Convert to fraction form
    1,927,806.30/2,891,191.05 = 805,643.10/x
  3. Step 3: Cross multiply
    1,927,806.30x = 2,891,191.05 × 805,643.10
  4. Step 4: Simplify right side
    1,927,806.30x = 2,329,268,120,214.26
  5. Step 5: Solve for x
    x = 2,329,268,120,214.26/1,927,806.30
  6. Step 6: Final answer
    x = 1,208,248.01

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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.