Home / 3,470,331.78-4,788,376.90-2,180,427.03

Finding the Fourth Proportional to 3,470,331.78, 4,788,376.90 and 2,180,427.03

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Solution

The fourth proportional to 3,470,331.78, 4,788,376.90 and 2,180,427.03 is: 3,008,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470,331.78 : 4,788,376.90 = 2,180,427.03 : x
  2. Step 2: Convert to fraction form
    3,470,331.78/4,788,376.90 = 2,180,427.03/x
  3. Step 3: Cross multiply
    3,470,331.78x = 4,788,376.90 × 2,180,427.03
  4. Step 4: Simplify right side
    3,470,331.78x = 10,440,706,417,136.54
  5. Step 5: Solve for x
    x = 10,440,706,417,136.54/3,470,331.78
  6. Step 6: Final answer
    x = 3,008,561.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.