Home / 2,638,962.81-3,641,461.79-1,477,474.65

Finding the Fourth Proportional to 2,638,962.81, 3,641,461.79 and 1,477,474.65

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Solution

The fourth proportional to 2,638,962.81, 3,641,461.79 and 1,477,474.65 is: 2,038,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,962.81 : 3,641,461.79 = 1,477,474.65 : x
  2. Step 2: Convert to fraction form
    2,638,962.81/3,641,461.79 = 1,477,474.65/x
  3. Step 3: Cross multiply
    2,638,962.81x = 3,641,461.79 × 1,477,474.65
  4. Step 4: Simplify right side
    2,638,962.81x = 5,380,167,476,281.25
  5. Step 5: Solve for x
    x = 5,380,167,476,281.25/2,638,962.81
  6. Step 6: Final answer
    x = 2,038,743.20

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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.