Home / 4,678,824.70-7,018,906.65-1,440,636.40

Finding the Fourth Proportional to 4,678,824.70, 7,018,906.65 and 1,440,636.40

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Solution

The fourth proportional to 4,678,824.70, 7,018,906.65 and 1,440,636.40 is: 2,161,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,824.70 : 7,018,906.65 = 1,440,636.40 : x
  2. Step 2: Convert to fraction form
    4,678,824.70/7,018,906.65 = 1,440,636.40/x
  3. Step 3: Cross multiply
    4,678,824.70x = 7,018,906.65 × 1,440,636.40
  4. Step 4: Simplify right side
    4,678,824.70x = 10,111,692,408,192.06
  5. Step 5: Solve for x
    x = 10,111,692,408,192.06/4,678,824.70
  6. Step 6: Final answer
    x = 2,161,160.77

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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.