Home / 2,890,836.48-3,989,386.08-1,601,697.04

Finding the Fourth Proportional to 2,890,836.48, 3,989,386.08 and 1,601,697.04

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Solution

The fourth proportional to 2,890,836.48, 3,989,386.08 and 1,601,697.04 is: 2,210,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,836.48 : 3,989,386.08 = 1,601,697.04 : x
  2. Step 2: Convert to fraction form
    2,890,836.48/3,989,386.08 = 1,601,697.04/x
  3. Step 3: Cross multiply
    2,890,836.48x = 3,989,386.08 × 1,601,697.04
  4. Step 4: Simplify right side
    2,890,836.48x = 6,389,787,875,753.20
  5. Step 5: Solve for x
    x = 6,389,787,875,753.20/2,890,836.48
  6. Step 6: Final answer
    x = 2,210,359.50

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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.