Home / 2,688,669.60-3,710,625.52-2,008,425.12

Finding the Fourth Proportional to 2,688,669.60, 3,710,625.52 and 2,008,425.12

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Solution

The fourth proportional to 2,688,669.60, 3,710,625.52 and 2,008,425.12 is: 2,771,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,669.60 : 3,710,625.52 = 2,008,425.12 : x
  2. Step 2: Convert to fraction form
    2,688,669.60/3,710,625.52 = 2,008,425.12/x
  3. Step 3: Cross multiply
    2,688,669.60x = 3,710,625.52 × 2,008,425.12
  4. Step 4: Simplify right side
    2,688,669.60x = 7,452,513,505,281.06
  5. Step 5: Solve for x
    x = 7,452,513,505,281.06/2,688,669.60
  6. Step 6: Final answer
    x = 2,771,821.98

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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.