Home / 1,898,739.47-2,620,276.76-1,082,984.45

Finding the Fourth Proportional to 1,898,739.47, 2,620,276.76 and 1,082,984.45

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Solution

The fourth proportional to 1,898,739.47, 2,620,276.76 and 1,082,984.45 is: 1,494,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,739.47 : 2,620,276.76 = 1,082,984.45 : x
  2. Step 2: Convert to fraction form
    1,898,739.47/2,620,276.76 = 1,082,984.45/x
  3. Step 3: Cross multiply
    1,898,739.47x = 2,620,276.76 × 1,082,984.45
  4. Step 4: Simplify right side
    1,898,739.47x = 2,837,718,975,382.46
  5. Step 5: Solve for x
    x = 2,837,718,975,382.46/1,898,739.47
  6. Step 6: Final answer
    x = 1,494,527.83

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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.