Home / 2,021,577.95-2,789,756.13-1,103,804.21

Finding the Fourth Proportional to 2,021,577.95, 2,789,756.13 and 1,103,804.21

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Solution

The fourth proportional to 2,021,577.95, 2,789,756.13 and 1,103,804.21 is: 1,523,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,577.95 : 2,789,756.13 = 1,103,804.21 : x
  2. Step 2: Convert to fraction form
    2,021,577.95/2,789,756.13 = 1,103,804.21/x
  3. Step 3: Cross multiply
    2,021,577.95x = 2,789,756.13 × 1,103,804.21
  4. Step 4: Simplify right side
    2,021,577.95x = 3,079,344,572,280.96
  5. Step 5: Solve for x
    x = 3,079,344,572,280.96/2,021,577.95
  6. Step 6: Final answer
    x = 1,523,238.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.