Home / 2,078,574.32-3,118,189.80-880,504.40

Finding the Fourth Proportional to 2,078,574.32, 3,118,189.80 and 880,504.40

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Solution

The fourth proportional to 2,078,574.32, 3,118,189.80 and 880,504.40 is: 1,320,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,574.32 : 3,118,189.80 = 880,504.40 : x
  2. Step 2: Convert to fraction form
    2,078,574.32/3,118,189.80 = 880,504.40/x
  3. Step 3: Cross multiply
    2,078,574.32x = 3,118,189.80 × 880,504.40
  4. Step 4: Simplify right side
    2,078,574.32x = 2,745,579,838,935.12
  5. Step 5: Solve for x
    x = 2,745,579,838,935.12/2,078,574.32
  6. Step 6: Final answer
    x = 1,320,895.68

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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.