Home / 1,775,980.28-2,450,803.02-971,147

Finding the Fourth Proportional to 1,775,980.28, 2,450,803.02 and 971,147

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Solution

The fourth proportional to 1,775,980.28, 2,450,803.02 and 971,147 is: 1,340,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,980.28 : 2,450,803.02 = 971,147 : x
  2. Step 2: Convert to fraction form
    1,775,980.28/2,450,803.02 = 971,147/x
  3. Step 3: Cross multiply
    1,775,980.28x = 2,450,803.02 × 971,147
  4. Step 4: Simplify right side
    1,775,980.28x = 2,380,090,000,463.94
  5. Step 5: Solve for x
    x = 2,380,090,000,463.94/1,775,980.28
  6. Step 6: Final answer
    x = 1,340,155.65

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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.