Home / 2,076,423.60-3,114,635.40-1,275,106.80

Finding the Fourth Proportional to 2,076,423.60, 3,114,635.40 and 1,275,106.80

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Solution

The fourth proportional to 2,076,423.60, 3,114,635.40 and 1,275,106.80 is: 1,912,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,423.60 : 3,114,635.40 = 1,275,106.80 : x
  2. Step 2: Convert to fraction form
    2,076,423.60/3,114,635.40 = 1,275,106.80/x
  3. Step 3: Cross multiply
    2,076,423.60x = 3,114,635.40 × 1,275,106.80
  4. Step 4: Simplify right side
    2,076,423.60x = 3,971,492,778,060.72
  5. Step 5: Solve for x
    x = 3,971,492,778,060.72/2,076,423.60
  6. Step 6: Final answer
    x = 1,912,660.20

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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.