Home / 2,896,869.60-4,346,859.60-1,214,143.20

Finding the Fourth Proportional to 2,896,869.60, 4,346,859.60 and 1,214,143.20

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Solution

The fourth proportional to 2,896,869.60, 4,346,859.60 and 1,214,143.20 is: 1,821,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,869.60 : 4,346,859.60 = 1,214,143.20 : x
  2. Step 2: Convert to fraction form
    2,896,869.60/4,346,859.60 = 1,214,143.20/x
  3. Step 3: Cross multiply
    2,896,869.60x = 4,346,859.60 × 1,214,143.20
  4. Step 4: Simplify right side
    2,896,869.60x = 5,277,710,024,694.72
  5. Step 5: Solve for x
    x = 5,277,710,024,694.72/2,896,869.60
  6. Step 6: Final answer
    x = 1,821,866.62

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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.