Home / 2,116,235.52-2,920,426.08-1,149,384.68

Finding the Fourth Proportional to 2,116,235.52, 2,920,426.08 and 1,149,384.68

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Solution

The fourth proportional to 2,116,235.52, 2,920,426.08 and 1,149,384.68 is: 1,586,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,235.52 : 2,920,426.08 = 1,149,384.68 : x
  2. Step 2: Convert to fraction form
    2,116,235.52/2,920,426.08 = 1,149,384.68/x
  3. Step 3: Cross multiply
    2,116,235.52x = 2,920,426.08 × 1,149,384.68
  4. Step 4: Simplify right side
    2,116,235.52x = 3,356,692,995,424.45
  5. Step 5: Solve for x
    x = 3,356,692,995,424.45/2,116,235.52
  6. Step 6: Final answer
    x = 1,586,162.30

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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.