Home / 3,118,879.50-4,304,066.67-1,688,095.50

Finding the Fourth Proportional to 3,118,879.50, 4,304,066.67 and 1,688,095.50

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Solution

The fourth proportional to 3,118,879.50, 4,304,066.67 and 1,688,095.50 is: 2,329,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,879.50 : 4,304,066.67 = 1,688,095.50 : x
  2. Step 2: Convert to fraction form
    3,118,879.50/4,304,066.67 = 1,688,095.50/x
  3. Step 3: Cross multiply
    3,118,879.50x = 4,304,066.67 × 1,688,095.50
  4. Step 4: Simplify right side
    3,118,879.50x = 7,265,675,577,326.99
  5. Step 5: Solve for x
    x = 7,265,675,577,326.99/3,118,879.50
  6. Step 6: Final answer
    x = 2,329,578.80

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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.