Home / 1,928,431.10-2,890,607.18-713,226.77

Finding the Fourth Proportional to 1,928,431.10, 2,890,607.18 and 713,226.77

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Solution

The fourth proportional to 1,928,431.10, 2,890,607.18 and 713,226.77 is: 1,069,085.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,431.10 : 2,890,607.18 = 713,226.77 : x
  2. Step 2: Convert to fraction form
    1,928,431.10/2,890,607.18 = 713,226.77/x
  3. Step 3: Cross multiply
    1,928,431.10x = 2,890,607.18 × 713,226.77
  4. Step 4: Simplify right side
    1,928,431.10x = 2,061,658,424,113.28
  5. Step 5: Solve for x
    x = 2,061,658,424,113.28/1,928,431.10
  6. Step 6: Final answer
    x = 1,069,085.86

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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.