Home / 3,421,872.72-5,130,968.02-1,371,504.34

Finding the Fourth Proportional to 3,421,872.72, 5,130,968.02 and 1,371,504.34

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Solution

The fourth proportional to 3,421,872.72, 5,130,968.02 and 1,371,504.34 is: 2,056,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,872.72 : 5,130,968.02 = 1,371,504.34 : x
  2. Step 2: Convert to fraction form
    3,421,872.72/5,130,968.02 = 1,371,504.34/x
  3. Step 3: Cross multiply
    3,421,872.72x = 5,130,968.02 × 1,371,504.34
  4. Step 4: Simplify right side
    3,421,872.72x = 7,037,144,907,831.21
  5. Step 5: Solve for x
    x = 7,037,144,907,831.21/3,421,872.72
  6. Step 6: Final answer
    x = 2,056,518.60

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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.