Home / 2,328,574.32-3,213,427.68-1,309,979.76

Finding the Fourth Proportional to 2,328,574.32, 3,213,427.68 and 1,309,979.76

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Solution

The fourth proportional to 2,328,574.32, 3,213,427.68 and 1,309,979.76 is: 1,807,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,574.32 : 3,213,427.68 = 1,309,979.76 : x
  2. Step 2: Convert to fraction form
    2,328,574.32/3,213,427.68 = 1,309,979.76/x
  3. Step 3: Cross multiply
    2,328,574.32x = 3,213,427.68 × 1,309,979.76
  4. Step 4: Simplify right side
    2,328,574.32x = 4,209,525,221,023.76
  5. Step 5: Solve for x
    x = 4,209,525,221,023.76/2,328,574.32
  6. Step 6: Final answer
    x = 1,807,769.32

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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.