Home / 2,106,000.30-3,159,000.45-1,658,102.70

Finding the Fourth Proportional to 2,106,000.30, 3,159,000.45 and 1,658,102.70

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Solution

The fourth proportional to 2,106,000.30, 3,159,000.45 and 1,658,102.70 is: 2,487,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,000.30 : 3,159,000.45 = 1,658,102.70 : x
  2. Step 2: Convert to fraction form
    2,106,000.30/3,159,000.45 = 1,658,102.70/x
  3. Step 3: Cross multiply
    2,106,000.30x = 3,159,000.45 × 1,658,102.70
  4. Step 4: Simplify right side
    2,106,000.30x = 5,237,947,175,446.22
  5. Step 5: Solve for x
    x = 5,237,947,175,446.22/2,106,000.30
  6. Step 6: Final answer
    x = 2,487,154.05

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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.