Home / 7,285,955-10,929,457.38-2,798,231

Finding the Fourth Proportional to 7,285,955, 10,929,457.38 and 2,798,231

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Solution

The fourth proportional to 7,285,955, 10,929,457.38 and 2,798,231 is: 4,197,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285,955 : 10,929,457.38 = 2,798,231 : x
  2. Step 2: Convert to fraction form
    7,285,955/10,929,457.38 = 2,798,231/x
  3. Step 3: Cross multiply
    7,285,955x = 10,929,457.38 × 2,798,231
  4. Step 4: Simplify right side
    7,285,955x = 30,583,146,453,894.78
  5. Step 5: Solve for x
    x = 30,583,146,453,894.78/7,285,955
  6. Step 6: Final answer
    x = 4,197,548.08

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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.