Home / 2,148,490.32-2,964,936.50-1,168,438.67

Finding the Fourth Proportional to 2,148,490.32, 2,964,936.50 and 1,168,438.67

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Solution

The fourth proportional to 2,148,490.32, 2,964,936.50 and 1,168,438.67 is: 1,612,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,490.32 : 2,964,936.50 = 1,168,438.67 : x
  2. Step 2: Convert to fraction form
    2,148,490.32/2,964,936.50 = 1,168,438.67/x
  3. Step 3: Cross multiply
    2,148,490.32x = 2,964,936.50 × 1,168,438.67
  4. Step 4: Simplify right side
    2,148,490.32x = 3,464,346,462,100.20
  5. Step 5: Solve for x
    x = 3,464,346,462,100.20/2,148,490.32
  6. Step 6: Final answer
    x = 1,612,456.16

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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.