Home / 2,688,341.60-4,032,512.40-2,669,679.20

Finding the Fourth Proportional to 2,688,341.60, 4,032,512.40 and 2,669,679.20

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Solution

The fourth proportional to 2,688,341.60, 4,032,512.40 and 2,669,679.20 is: 4,004,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,341.60 : 4,032,512.40 = 2,669,679.20 : x
  2. Step 2: Convert to fraction form
    2,688,341.60/4,032,512.40 = 2,669,679.20/x
  3. Step 3: Cross multiply
    2,688,341.60x = 4,032,512.40 × 2,669,679.20
  4. Step 4: Simplify right side
    2,688,341.60x = 10,765,514,478,022.08
  5. Step 5: Solve for x
    x = 10,765,514,478,022.08/2,688,341.60
  6. Step 6: Final answer
    x = 4,004,518.80

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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.