Home / 1,885,782.40-2,824,171.11-1,085,381.40

Finding the Fourth Proportional to 1,885,782.40, 2,824,171.11 and 1,085,381.40

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Solution

The fourth proportional to 1,885,782.40, 2,824,171.11 and 1,085,381.40 is: 1,625,480.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,782.40 : 2,824,171.11 = 1,085,381.40 : x
  2. Step 2: Convert to fraction form
    1,885,782.40/2,824,171.11 = 1,085,381.40/x
  3. Step 3: Cross multiply
    1,885,782.40x = 2,824,171.11 × 1,085,381.40
  4. Step 4: Simplify right side
    1,885,782.40x = 3,065,302,803,802.00
  5. Step 5: Solve for x
    x = 3,065,302,803,802.00/1,885,782.40
  6. Step 6: Final answer
    x = 1,625,480.65

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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.