Home / 2,887,358.40-4,331,037.60-2,698,401.60

Finding the Fourth Proportional to 2,887,358.40, 4,331,037.60 and 2,698,401.60

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Solution

The fourth proportional to 2,887,358.40, 4,331,037.60 and 2,698,401.60 is: 4,047,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,358.40 : 4,331,037.60 = 2,698,401.60 : x
  2. Step 2: Convert to fraction form
    2,887,358.40/4,331,037.60 = 2,698,401.60/x
  3. Step 3: Cross multiply
    2,887,358.40x = 4,331,037.60 × 2,698,401.60
  4. Step 4: Simplify right side
    2,887,358.40x = 11,686,878,789,500.16
  5. Step 5: Solve for x
    x = 11,686,878,789,500.16/2,887,358.40
  6. Step 6: Final answer
    x = 4,047,602.40

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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.