Home / 3,938,646.04-5,435,427.65-2,196,298.42

Finding the Fourth Proportional to 3,938,646.04, 5,435,427.65 and 2,196,298.42

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Solution

The fourth proportional to 3,938,646.04, 5,435,427.65 and 2,196,298.42 is: 3,030,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,646.04 : 5,435,427.65 = 2,196,298.42 : x
  2. Step 2: Convert to fraction form
    3,938,646.04/5,435,427.65 = 2,196,298.42/x
  3. Step 3: Cross multiply
    3,938,646.04x = 5,435,427.65 × 2,196,298.42
  4. Step 4: Simplify right side
    3,938,646.04x = 11,937,821,167,634.63
  5. Step 5: Solve for x
    x = 11,937,821,167,634.63/3,938,646.04
  6. Step 6: Final answer
    x = 3,030,945.42

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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.