Home / 1,969,931.84-2,718,342.78-1,110,703.28

Finding the Fourth Proportional to 1,969,931.84, 2,718,342.78 and 1,110,703.28

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Solution

The fourth proportional to 1,969,931.84, 2,718,342.78 and 1,110,703.28 is: 1,532,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,931.84 : 2,718,342.78 = 1,110,703.28 : x
  2. Step 2: Convert to fraction form
    1,969,931.84/2,718,342.78 = 1,110,703.28/x
  3. Step 3: Cross multiply
    1,969,931.84x = 2,718,342.78 × 1,110,703.28
  4. Step 4: Simplify right side
    1,969,931.84x = 3,019,272,241,910.32
  5. Step 5: Solve for x
    x = 3,019,272,241,910.32/1,969,931.84
  6. Step 6: Final answer
    x = 1,532,678.53

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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.