Home / 3,615,417.52-4,989,591.81-1,984,139.69

Finding the Fourth Proportional to 3,615,417.52, 4,989,591.81 and 1,984,139.69

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Solution

The fourth proportional to 3,615,417.52, 4,989,591.81 and 1,984,139.69 is: 2,738,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,417.52 : 4,989,591.81 = 1,984,139.69 : x
  2. Step 2: Convert to fraction form
    3,615,417.52/4,989,591.81 = 1,984,139.69/x
  3. Step 3: Cross multiply
    3,615,417.52x = 4,989,591.81 × 1,984,139.69
  4. Step 4: Simplify right side
    3,615,417.52x = 9,900,047,133,456.03
  5. Step 5: Solve for x
    x = 9,900,047,133,456.03/3,615,417.52
  6. Step 6: Final answer
    x = 2,738,285.99

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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.