Home / 2,326,976.93-3,208,580.55-1,638,428.69

Finding the Fourth Proportional to 2,326,976.93, 3,208,580.55 and 1,638,428.69

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Solution

The fourth proportional to 2,326,976.93, 3,208,580.55 and 1,638,428.69 is: 2,259,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326,976.93 : 3,208,580.55 = 1,638,428.69 : x
  2. Step 2: Convert to fraction form
    2,326,976.93/3,208,580.55 = 1,638,428.69/x
  3. Step 3: Cross multiply
    2,326,976.93x = 3,208,580.55 × 1,638,428.69
  4. Step 4: Simplify right side
    2,326,976.93x = 5,257,030,411,253.08
  5. Step 5: Solve for x
    x = 5,257,030,411,253.08/2,326,976.93
  6. Step 6: Final answer
    x = 2,259,167.40

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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.