Home / 2,798,582.87-4,197,897.82-776,984.41

Finding the Fourth Proportional to 2,798,582.87, 4,197,897.82 and 776,984.41

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Solution

The fourth proportional to 2,798,582.87, 4,197,897.82 and 776,984.41 is: 1,165,483.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,582.87 : 4,197,897.82 = 776,984.41 : x
  2. Step 2: Convert to fraction form
    2,798,582.87/4,197,897.82 = 776,984.41/x
  3. Step 3: Cross multiply
    2,798,582.87x = 4,197,897.82 × 776,984.41
  4. Step 4: Simplify right side
    2,798,582.87x = 3,261,701,157,028.06
  5. Step 5: Solve for x
    x = 3,261,701,157,028.06/2,798,582.87
  6. Step 6: Final answer
    x = 1,165,483.14

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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.