Home / 2,780,938.40-3,838,083.75-2,009,066.49

Finding the Fourth Proportional to 2,780,938.40, 3,838,083.75 and 2,009,066.49

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Solution

The fourth proportional to 2,780,938.40, 3,838,083.75 and 2,009,066.49 is: 2,772,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,938.40 : 3,838,083.75 = 2,009,066.49 : x
  2. Step 2: Convert to fraction form
    2,780,938.40/3,838,083.75 = 2,009,066.49/x
  3. Step 3: Cross multiply
    2,780,938.40x = 3,838,083.75 × 2,009,066.49
  4. Step 4: Simplify right side
    2,780,938.40x = 7,710,965,447,938.54
  5. Step 5: Solve for x
    x = 7,710,965,447,938.54/2,780,938.40
  6. Step 6: Final answer
    x = 2,772,792.62

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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.