Home / 2,280,038.90-3,146,185.41-1,313,209.94

Finding the Fourth Proportional to 2,280,038.90, 3,146,185.41 and 1,313,209.94

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Solution

The fourth proportional to 2,280,038.90, 3,146,185.41 and 1,313,209.94 is: 1,812,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,038.90 : 3,146,185.41 = 1,313,209.94 : x
  2. Step 2: Convert to fraction form
    2,280,038.90/3,146,185.41 = 1,313,209.94/x
  3. Step 3: Cross multiply
    2,280,038.90x = 3,146,185.41 × 1,313,209.94
  4. Step 4: Simplify right side
    2,280,038.90x = 4,131,601,953,494.98
  5. Step 5: Solve for x
    x = 4,131,601,953,494.98/2,280,038.90
  6. Step 6: Final answer
    x = 1,812,075.20

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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.