Home / 1,927,807.30-2,891,192.55-805,644.10

Finding the Fourth Proportional to 1,927,807.30, 2,891,192.55 and 805,644.10

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Solution

The fourth proportional to 1,927,807.30, 2,891,192.55 and 805,644.10 is: 1,208,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,807.30 : 2,891,192.55 = 805,644.10 : x
  2. Step 2: Convert to fraction form
    1,927,807.30/2,891,192.55 = 805,644.10/x
  3. Step 3: Cross multiply
    1,927,807.30x = 2,891,192.55 × 805,644.10
  4. Step 4: Simplify right side
    1,927,807.30x = 2,329,272,219,871.45
  5. Step 5: Solve for x
    x = 2,329,272,219,871.45/1,927,807.30
  6. Step 6: Final answer
    x = 1,208,249.51

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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.