Home / 1,971,433.20-2,956,931.10-551,632.80

Finding the Fourth Proportional to 1,971,433.20, 2,956,931.10 and 551,632.80

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Solution

The fourth proportional to 1,971,433.20, 2,956,931.10 and 551,632.80 is: 827,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,433.20 : 2,956,931.10 = 551,632.80 : x
  2. Step 2: Convert to fraction form
    1,971,433.20/2,956,931.10 = 551,632.80/x
  3. Step 3: Cross multiply
    1,971,433.20x = 2,956,931.10 × 551,632.80
  4. Step 4: Simplify right side
    1,971,433.20x = 1,631,140,182,100.08
  5. Step 5: Solve for x
    x = 1,631,140,182,100.08/1,971,433.20
  6. Step 6: Final answer
    x = 827,388.00

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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.