Home / 2,916,076.40-4,372,802.40-1,118,362.40

Finding the Fourth Proportional to 2,916,076.40, 4,372,802.40 and 1,118,362.40

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Solution

The fourth proportional to 2,916,076.40, 4,372,802.40 and 1,118,362.40 is: 1,677,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,076.40 : 4,372,802.40 = 1,118,362.40 : x
  2. Step 2: Convert to fraction form
    2,916,076.40/4,372,802.40 = 1,118,362.40/x
  3. Step 3: Cross multiply
    2,916,076.40x = 4,372,802.40 × 1,118,362.40
  4. Step 4: Simplify right side
    2,916,076.40x = 4,890,377,786,789.76
  5. Step 5: Solve for x
    x = 4,890,377,786,789.76/2,916,076.40
  6. Step 6: Final answer
    x = 1,677,040.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.