Home / 1,869,966-2,805,415.56-540,270

Finding the Fourth Proportional to 1,869,966, 2,805,415.56 and 540,270

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Solution

The fourth proportional to 1,869,966, 2,805,415.56 and 540,270 is: 810,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,966 : 2,805,415.56 = 540,270 : x
  2. Step 2: Convert to fraction form
    1,869,966/2,805,415.56 = 540,270/x
  3. Step 3: Cross multiply
    1,869,966x = 2,805,415.56 × 540,270
  4. Step 4: Simplify right side
    1,869,966x = 1,515,681,864,601.20
  5. Step 5: Solve for x
    x = 1,515,681,864,601.20/1,869,966
  6. Step 6: Final answer
    x = 810,539.80

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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.