Home / 2,811,779.18-4,217,667.42-681,862.94

Finding the Fourth Proportional to 2,811,779.18, 4,217,667.42 and 681,862.94

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Solution

The fourth proportional to 2,811,779.18, 4,217,667.42 and 681,862.94 is: 1,022,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,779.18 : 4,217,667.42 = 681,862.94 : x
  2. Step 2: Convert to fraction form
    2,811,779.18/4,217,667.42 = 681,862.94/x
  3. Step 3: Cross multiply
    2,811,779.18x = 4,217,667.42 × 681,862.94
  4. Step 4: Simplify right side
    2,811,779.18x = 2,875,871,106,943.41
  5. Step 5: Solve for x
    x = 2,875,871,106,943.41/2,811,779.18
  6. Step 6: Final answer
    x = 1,022,794.08

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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.