Home / 1,445,848.30-2,168,772.45-1,211,401.90

Finding the Fourth Proportional to 1,445,848.30, 2,168,772.45 and 1,211,401.90

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Solution

The fourth proportional to 1,445,848.30, 2,168,772.45 and 1,211,401.90 is: 1,817,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,848.30 : 2,168,772.45 = 1,211,401.90 : x
  2. Step 2: Convert to fraction form
    1,445,848.30/2,168,772.45 = 1,211,401.90/x
  3. Step 3: Cross multiply
    1,445,848.30x = 2,168,772.45 × 1,211,401.90
  4. Step 4: Simplify right side
    1,445,848.30x = 2,627,255,066,597.65
  5. Step 5: Solve for x
    x = 2,627,255,066,597.65/1,445,848.30
  6. Step 6: Final answer
    x = 1,817,102.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.