Home / 3,938,647.04-5,435,429.03-2,196,299.42

Finding the Fourth Proportional to 3,938,647.04, 5,435,429.03 and 2,196,299.42

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Solution

The fourth proportional to 3,938,647.04, 5,435,429.03 and 2,196,299.42 is: 3,030,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,647.04 : 5,435,429.03 = 2,196,299.42 : x
  2. Step 2: Convert to fraction form
    3,938,647.04/5,435,429.03 = 2,196,299.42/x
  3. Step 3: Cross multiply
    3,938,647.04x = 5,435,429.03 × 2,196,299.42
  4. Step 4: Simplify right side
    3,938,647.04x = 11,937,829,626,040.16
  5. Step 5: Solve for x
    x = 11,937,829,626,040.16/3,938,647.04
  6. Step 6: Final answer
    x = 3,030,946.80

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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.