Home / 1,791,555.95-2,684,675.69-1,315,916.27

Finding the Fourth Proportional to 1,791,555.95, 2,684,675.69 and 1,315,916.27

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Solution

The fourth proportional to 1,791,555.95, 2,684,675.69 and 1,315,916.27 is: 1,971,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,555.95 : 2,684,675.69 = 1,315,916.27 : x
  2. Step 2: Convert to fraction form
    1,791,555.95/2,684,675.69 = 1,315,916.27/x
  3. Step 3: Cross multiply
    1,791,555.95x = 2,684,675.69 × 1,315,916.27
  4. Step 4: Simplify right side
    1,791,555.95x = 3,532,808,413,564.90
  5. Step 5: Solve for x
    x = 3,532,808,413,564.90/1,791,555.95
  6. Step 6: Final answer
    x = 1,971,921.90

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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.