Home / 2,688,011.60-4,035,127.80-1,551,678.80

Finding the Fourth Proportional to 2,688,011.60, 4,035,127.80 and 1,551,678.80

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Solution

The fourth proportional to 2,688,011.60, 4,035,127.80 and 1,551,678.80 is: 2,329,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,011.60 : 4,035,127.80 = 1,551,678.80 : x
  2. Step 2: Convert to fraction form
    2,688,011.60/4,035,127.80 = 1,551,678.80/x
  3. Step 3: Cross multiply
    2,688,011.60x = 4,035,127.80 × 1,551,678.80
  4. Step 4: Simplify right side
    2,688,011.60x = 6,261,222,262,550.64
  5. Step 5: Solve for x
    x = 6,261,222,262,550.64/2,688,011.60
  6. Step 6: Final answer
    x = 2,329,313.71

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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.