Home / 2,390,168-3,298,500.96-1,317,149.12

Finding the Fourth Proportional to 2,390,168, 3,298,500.96 and 1,317,149.12

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Solution

The fourth proportional to 2,390,168, 3,298,500.96 and 1,317,149.12 is: 1,817,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390,168 : 3,298,500.96 = 1,317,149.12 : x
  2. Step 2: Convert to fraction form
    2,390,168/3,298,500.96 = 1,317,149.12/x
  3. Step 3: Cross multiply
    2,390,168x = 3,298,500.96 × 1,317,149.12
  4. Step 4: Simplify right side
    2,390,168x = 4,344,617,636,783.16
  5. Step 5: Solve for x
    x = 4,344,617,636,783.16/2,390,168
  6. Step 6: Final answer
    x = 1,817,703.88

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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.