Home / 2,107,762.86-2,908,720.02-1,140,892.90

Finding the Fourth Proportional to 2,107,762.86, 2,908,720.02 and 1,140,892.90

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Solution

The fourth proportional to 2,107,762.86, 2,908,720.02 and 1,140,892.90 is: 1,574,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,762.86 : 2,908,720.02 = 1,140,892.90 : x
  2. Step 2: Convert to fraction form
    2,107,762.86/2,908,720.02 = 1,140,892.90/x
  3. Step 3: Cross multiply
    2,107,762.86x = 2,908,720.02 × 1,140,892.90
  4. Step 4: Simplify right side
    2,107,762.86x = 3,318,538,015,912.41
  5. Step 5: Solve for x
    x = 3,318,538,015,912.41/2,107,762.86
  6. Step 6: Final answer
    x = 1,574,436.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.