Home / 2,076,990.60-3,115,485.90-1,275,673.80

Finding the Fourth Proportional to 2,076,990.60, 3,115,485.90 and 1,275,673.80

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Solution

The fourth proportional to 2,076,990.60, 3,115,485.90 and 1,275,673.80 is: 1,913,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,990.60 : 3,115,485.90 = 1,275,673.80 : x
  2. Step 2: Convert to fraction form
    2,076,990.60/3,115,485.90 = 1,275,673.80/x
  3. Step 3: Cross multiply
    2,076,990.60x = 3,115,485.90 × 1,275,673.80
  4. Step 4: Simplify right side
    2,076,990.60x = 3,974,343,736,899.42
  5. Step 5: Solve for x
    x = 3,974,343,736,899.42/2,076,990.60
  6. Step 6: Final answer
    x = 1,913,510.70

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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.