Home / 2,688,071.60-4,032,107.40-1,836,513.20

Finding the Fourth Proportional to 2,688,071.60, 4,032,107.40 and 1,836,513.20

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Solution

The fourth proportional to 2,688,071.60, 4,032,107.40 and 1,836,513.20 is: 2,754,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,071.60 : 4,032,107.40 = 1,836,513.20 : x
  2. Step 2: Convert to fraction form
    2,688,071.60/4,032,107.40 = 1,836,513.20/x
  3. Step 3: Cross multiply
    2,688,071.60x = 4,032,107.40 × 1,836,513.20
  4. Step 4: Simplify right side
    2,688,071.60x = 7,405,018,463,917.68
  5. Step 5: Solve for x
    x = 7,405,018,463,917.68/2,688,071.60
  6. Step 6: Final answer
    x = 2,754,769.80

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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.