Home / 2,208,001.80-3,312,002.70-691,811.40

Finding the Fourth Proportional to 2,208,001.80, 3,312,002.70 and 691,811.40

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Solution

The fourth proportional to 2,208,001.80, 3,312,002.70 and 691,811.40 is: 1,037,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,001.80 : 3,312,002.70 = 691,811.40 : x
  2. Step 2: Convert to fraction form
    2,208,001.80/3,312,002.70 = 691,811.40/x
  3. Step 3: Cross multiply
    2,208,001.80x = 3,312,002.70 × 691,811.40
  4. Step 4: Simplify right side
    2,208,001.80x = 2,291,281,224,690.78
  5. Step 5: Solve for x
    x = 2,291,281,224,690.78/2,208,001.80
  6. Step 6: Final answer
    x = 1,037,717.10

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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.