Home / 2,701,812.20-4,052,199.90-808,615.40

Finding the Fourth Proportional to 2,701,812.20, 4,052,199.90 and 808,615.40

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Solution

The fourth proportional to 2,701,812.20, 4,052,199.90 and 808,615.40 is: 1,212,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701,812.20 : 4,052,199.90 = 808,615.40 : x
  2. Step 2: Convert to fraction form
    2,701,812.20/4,052,199.90 = 808,615.40/x
  3. Step 3: Cross multiply
    2,701,812.20x = 4,052,199.90 × 808,615.40
  4. Step 4: Simplify right side
    2,701,812.20x = 3,276,671,243,018.46
  5. Step 5: Solve for x
    x = 3,276,671,243,018.46/2,701,812.20
  6. Step 6: Final answer
    x = 1,212,767.95

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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.