Home / 1,871,984.40-2,803,829.40-1,623,152.40

Finding the Fourth Proportional to 1,871,984.40, 2,803,829.40 and 1,623,152.40

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Solution

The fourth proportional to 1,871,984.40, 2,803,829.40 and 1,623,152.40 is: 2,431,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,984.40 : 2,803,829.40 = 1,623,152.40 : x
  2. Step 2: Convert to fraction form
    1,871,984.40/2,803,829.40 = 1,623,152.40/x
  3. Step 3: Cross multiply
    1,871,984.40x = 2,803,829.40 × 1,623,152.40
  4. Step 4: Simplify right side
    1,871,984.40x = 4,551,042,419,800.56
  5. Step 5: Solve for x
    x = 4,551,042,419,800.56/1,871,984.40
  6. Step 6: Final answer
    x = 2,431,132.66

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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.