Home / 5,120,916.99-7,683,441.05-2,279,085.51

Finding the Fourth Proportional to 5,120,916.99, 7,683,441.05 and 2,279,085.51

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Solution

The fourth proportional to 5,120,916.99, 7,683,441.05 and 2,279,085.51 is: 3,419,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,916.99 : 7,683,441.05 = 2,279,085.51 : x
  2. Step 2: Convert to fraction form
    5,120,916.99/7,683,441.05 = 2,279,085.51/x
  3. Step 3: Cross multiply
    5,120,916.99x = 7,683,441.05 × 2,279,085.51
  4. Step 4: Simplify right side
    5,120,916.99x = 17,511,219,152,598.76
  5. Step 5: Solve for x
    x = 17,511,219,152,598.76/5,120,916.99
  6. Step 6: Final answer
    x = 3,419,547.55

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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.