Home / 2,118,459.36-3,176,952.72-903,986.98

Finding the Fourth Proportional to 2,118,459.36, 3,176,952.72 and 903,986.98

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Solution

The fourth proportional to 2,118,459.36, 3,176,952.72 and 903,986.98 is: 1,355,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,459.36 : 3,176,952.72 = 903,986.98 : x
  2. Step 2: Convert to fraction form
    2,118,459.36/3,176,952.72 = 903,986.98/x
  3. Step 3: Cross multiply
    2,118,459.36x = 3,176,952.72 × 903,986.98
  4. Step 4: Simplify right side
    2,118,459.36x = 2,871,923,894,955.59
  5. Step 5: Solve for x
    x = 2,871,923,894,955.59/2,118,459.36
  6. Step 6: Final answer
    x = 1,355,666.27

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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.