Home / 1,910,916.78-2,866,818.03-648,744.36

Finding the Fourth Proportional to 1,910,916.78, 2,866,818.03 and 648,744.36

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Solution

The fourth proportional to 1,910,916.78, 2,866,818.03 and 648,744.36 is: 973,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,916.78 : 2,866,818.03 = 648,744.36 : x
  2. Step 2: Convert to fraction form
    1,910,916.78/2,866,818.03 = 648,744.36/x
  3. Step 3: Cross multiply
    1,910,916.78x = 2,866,818.03 × 648,744.36
  4. Step 4: Simplify right side
    1,910,916.78x = 1,859,832,028,108.81
  5. Step 5: Solve for x
    x = 1,859,832,028,108.81/1,910,916.78
  6. Step 6: Final answer
    x = 973,266.89

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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.