Home / 2,390,448-3,298,818.32-1,317,360

Finding the Fourth Proportional to 2,390,448, 3,298,818.32 and 1,317,360

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Solution

The fourth proportional to 2,390,448, 3,298,818.32 and 1,317,360 is: 1,817,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,448 : 3,298,818.32 = 1,317,360 : x
  2. Step 2: Convert to fraction form
    2,390,448/3,298,818.32 = 1,317,360/x
  3. Step 3: Cross multiply
    2,390,448x = 3,298,818.32 × 1,317,360
  4. Step 4: Simplify right side
    2,390,448x = 4,345,731,302,035.20
  5. Step 5: Solve for x
    x = 4,345,731,302,035.20/2,390,448
  6. Step 6: Final answer
    x = 1,817,956.84

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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.