Home / 1,681,034.90-2,521,880.40-669,984.80

Finding the Fourth Proportional to 1,681,034.90, 2,521,880.40 and 669,984.80

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Solution

The fourth proportional to 1,681,034.90, 2,521,880.40 and 669,984.80 is: 1,005,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,034.90 : 2,521,880.40 = 669,984.80 : x
  2. Step 2: Convert to fraction form
    1,681,034.90/2,521,880.40 = 669,984.80/x
  3. Step 3: Cross multiply
    1,681,034.90x = 2,521,880.40 × 669,984.80
  4. Step 4: Simplify right side
    1,681,034.90x = 1,689,621,535,417.92
  5. Step 5: Solve for x
    x = 1,689,621,535,417.92/1,681,034.90
  6. Step 6: Final answer
    x = 1,005,107.95

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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.