Home / 2,140,498.20-3,210,747.30-1,430,866.20

Finding the Fourth Proportional to 2,140,498.20, 3,210,747.30 and 1,430,866.20

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Solution

The fourth proportional to 2,140,498.20, 3,210,747.30 and 1,430,866.20 is: 2,146,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,498.20 : 3,210,747.30 = 1,430,866.20 : x
  2. Step 2: Convert to fraction form
    2,140,498.20/3,210,747.30 = 1,430,866.20/x
  3. Step 3: Cross multiply
    2,140,498.20x = 3,210,747.30 × 1,430,866.20
  4. Step 4: Simplify right side
    2,140,498.20x = 4,594,149,788,311.26
  5. Step 5: Solve for x
    x = 4,594,149,788,311.26/2,140,498.20
  6. Step 6: Final answer
    x = 2,146,299.30

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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.