Home / 1,870,100.13-2,580,738.78-1,065,284.13

Finding the Fourth Proportional to 1,870,100.13, 2,580,738.78 and 1,065,284.13

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Solution

The fourth proportional to 1,870,100.13, 2,580,738.78 and 1,065,284.13 is: 1,470,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,100.13 : 2,580,738.78 = 1,065,284.13 : x
  2. Step 2: Convert to fraction form
    1,870,100.13/2,580,738.78 = 1,065,284.13/x
  3. Step 3: Cross multiply
    1,870,100.13x = 2,580,738.78 × 1,065,284.13
  4. Step 4: Simplify right side
    1,870,100.13x = 2,749,220,066,009.56
  5. Step 5: Solve for x
    x = 2,749,220,066,009.56/1,870,100.13
  6. Step 6: Final answer
    x = 1,470,092.44

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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.