Home / 2,688,599.60-4,032,899.40-2,669,937.20

Finding the Fourth Proportional to 2,688,599.60, 4,032,899.40 and 2,669,937.20

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Solution

The fourth proportional to 2,688,599.60, 4,032,899.40 and 2,669,937.20 is: 4,004,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,599.60 : 4,032,899.40 = 2,669,937.20 : x
  2. Step 2: Convert to fraction form
    2,688,599.60/4,032,899.40 = 2,669,937.20/x
  3. Step 3: Cross multiply
    2,688,599.60x = 4,032,899.40 × 2,669,937.20
  4. Step 4: Simplify right side
    2,688,599.60x = 10,767,588,131,917.68
  5. Step 5: Solve for x
    x = 10,767,588,131,917.68/2,688,599.60
  6. Step 6: Final answer
    x = 4,004,905.80

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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.