Home / 6,920,011.70-10,380,017.55-1,871,322.20

Finding the Fourth Proportional to 6,920,011.70, 10,380,017.55 and 1,871,322.20

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Solution

The fourth proportional to 6,920,011.70, 10,380,017.55 and 1,871,322.20 is: 2,806,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,011.70 : 10,380,017.55 = 1,871,322.20 : x
  2. Step 2: Convert to fraction form
    6,920,011.70/10,380,017.55 = 1,871,322.20/x
  3. Step 3: Cross multiply
    6,920,011.70x = 10,380,017.55 × 1,871,322.20
  4. Step 4: Simplify right side
    6,920,011.70x = 19,424,357,277,704.61
  5. Step 5: Solve for x
    x = 19,424,357,277,704.61/6,920,011.70
  6. Step 6: Final answer
    x = 2,806,983.30

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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.