Home / 2,918,940.41-4,376,940.66-972,980.01

Finding the Fourth Proportional to 2,918,940.41, 4,376,940.66 and 972,980.01

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Solution

The fourth proportional to 2,918,940.41, 4,376,940.66 and 972,980.01 is: 1,458,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,940.41 : 4,376,940.66 = 972,980.01 : x
  2. Step 2: Convert to fraction form
    2,918,940.41/4,376,940.66 = 972,980.01/x
  3. Step 3: Cross multiply
    2,918,940.41x = 4,376,940.66 × 972,980.01
  4. Step 4: Simplify right side
    2,918,940.41x = 4,258,675,767,136.21
  5. Step 5: Solve for x
    x = 4,258,675,767,136.21/2,918,940.41
  6. Step 6: Final answer
    x = 1,458,980.03

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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.