Home / 1,868,478.28-2,578,499.99-1,009,038.46

Finding the Fourth Proportional to 1,868,478.28, 2,578,499.99 and 1,009,038.46

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Solution

The fourth proportional to 1,868,478.28, 2,578,499.99 and 1,009,038.46 is: 1,392,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,478.28 : 2,578,499.99 = 1,009,038.46 : x
  2. Step 2: Convert to fraction form
    1,868,478.28/2,578,499.99 = 1,009,038.46/x
  3. Step 3: Cross multiply
    1,868,478.28x = 2,578,499.99 × 1,009,038.46
  4. Step 4: Simplify right side
    1,868,478.28x = 2,601,805,659,019.62
  5. Step 5: Solve for x
    x = 2,601,805,659,019.62/1,868,478.28
  6. Step 6: Final answer
    x = 1,392,473.06

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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.