Home / 4,642,969.37-6,406,985.49-2,577,878.21

Finding the Fourth Proportional to 4,642,969.37, 6,406,985.49 and 2,577,878.21

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Solution

The fourth proportional to 4,642,969.37, 6,406,985.49 and 2,577,878.21 is: 3,557,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642,969.37 : 6,406,985.49 = 2,577,878.21 : x
  2. Step 2: Convert to fraction form
    4,642,969.37/6,406,985.49 = 2,577,878.21/x
  3. Step 3: Cross multiply
    4,642,969.37x = 6,406,985.49 × 2,577,878.21
  4. Step 4: Simplify right side
    4,642,969.37x = 16,516,428,292,807.59
  5. Step 5: Solve for x
    x = 16,516,428,292,807.59/4,642,969.37
  6. Step 6: Final answer
    x = 3,557,298.57

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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.