Home / 4,678,916.70-7,020,999.45-1,982,783.10

Finding the Fourth Proportional to 4,678,916.70, 7,020,999.45 and 1,982,783.10

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Solution

The fourth proportional to 4,678,916.70, 7,020,999.45 and 1,982,783.10 is: 2,975,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,916.70 : 7,020,999.45 = 1,982,783.10 : x
  2. Step 2: Convert to fraction form
    4,678,916.70/7,020,999.45 = 1,982,783.10/x
  3. Step 3: Cross multiply
    4,678,916.70x = 7,020,999.45 × 1,982,783.10
  4. Step 4: Simplify right side
    4,678,916.70x = 13,921,119,054,569.30
  5. Step 5: Solve for x
    x = 13,921,119,054,569.30/4,678,916.70
  6. Step 6: Final answer
    x = 2,975,286.79

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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.