Home / 2,193,308.60-3,289,962.90-1,555,579.40

Finding the Fourth Proportional to 2,193,308.60, 3,289,962.90 and 1,555,579.40

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Solution

The fourth proportional to 2,193,308.60, 3,289,962.90 and 1,555,579.40 is: 2,333,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,308.60 : 3,289,962.90 = 1,555,579.40 : x
  2. Step 2: Convert to fraction form
    2,193,308.60/3,289,962.90 = 1,555,579.40/x
  3. Step 3: Cross multiply
    2,193,308.60x = 3,289,962.90 × 1,555,579.40
  4. Step 4: Simplify right side
    2,193,308.60x = 5,117,798,514,004.26
  5. Step 5: Solve for x
    x = 5,117,798,514,004.26/2,193,308.60
  6. Step 6: Final answer
    x = 2,333,369.10

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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.