Home / 4,685,889.63-7,020,810.59-2,557,467.21

Finding the Fourth Proportional to 4,685,889.63, 7,020,810.59 and 2,557,467.21

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Solution

The fourth proportional to 4,685,889.63, 7,020,810.59 and 2,557,467.21 is: 3,831,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685,889.63 : 7,020,810.59 = 2,557,467.21 : x
  2. Step 2: Convert to fraction form
    4,685,889.63/7,020,810.59 = 2,557,467.21/x
  3. Step 3: Cross multiply
    4,685,889.63x = 7,020,810.59 × 2,557,467.21
  4. Step 4: Simplify right side
    4,685,889.63x = 17,955,492,858,758.42
  5. Step 5: Solve for x
    x = 17,955,492,858,758.42/4,685,889.63
  6. Step 6: Final answer
    x = 3,831,821.55

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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.