Home / 1,945,802.18-2,685,003.32-1,129,846.80

Finding the Fourth Proportional to 1,945,802.18, 2,685,003.32 and 1,129,846.80

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Solution

The fourth proportional to 1,945,802.18, 2,685,003.32 and 1,129,846.80 is: 1,559,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,802.18 : 2,685,003.32 = 1,129,846.80 : x
  2. Step 2: Convert to fraction form
    1,945,802.18/2,685,003.32 = 1,129,846.80/x
  3. Step 3: Cross multiply
    1,945,802.18x = 2,685,003.32 × 1,129,846.80
  4. Step 4: Simplify right side
    1,945,802.18x = 3,033,642,409,091.38
  5. Step 5: Solve for x
    x = 3,033,642,409,091.38/1,945,802.18
  6. Step 6: Final answer
    x = 1,559,070.31

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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.