Home / 3,081,539.21-4,252,368.51-1,686,070.64

Finding the Fourth Proportional to 3,081,539.21, 4,252,368.51 and 1,686,070.64

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Solution

The fourth proportional to 3,081,539.21, 4,252,368.51 and 1,686,070.64 is: 2,326,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,539.21 : 4,252,368.51 = 1,686,070.64 : x
  2. Step 2: Convert to fraction form
    3,081,539.21/4,252,368.51 = 1,686,070.64/x
  3. Step 3: Cross multiply
    3,081,539.21x = 4,252,368.51 × 1,686,070.64
  4. Step 4: Simplify right side
    3,081,539.21x = 7,169,793,688,755.80
  5. Step 5: Solve for x
    x = 7,169,793,688,755.80/3,081,539.21
  6. Step 6: Final answer
    x = 2,326,692.34

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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.