Home / 1,783,911.40-2,668,868.70-1,615,949.80

Finding the Fourth Proportional to 1,783,911.40, 2,668,868.70 and 1,615,949.80

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Solution

The fourth proportional to 1,783,911.40, 2,668,868.70 and 1,615,949.80 is: 2,417,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,911.40 : 2,668,868.70 = 1,615,949.80 : x
  2. Step 2: Convert to fraction form
    1,783,911.40/2,668,868.70 = 1,615,949.80/x
  3. Step 3: Cross multiply
    1,783,911.40x = 2,668,868.70 × 1,615,949.80
  4. Step 4: Simplify right side
    1,783,911.40x = 4,312,757,841,991.26
  5. Step 5: Solve for x
    x = 4,312,757,841,991.26/1,783,911.40
  6. Step 6: Final answer
    x = 2,417,585.22

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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.