Home / 2,685,686.40-4,028,529.60-2,076,825.60

Finding the Fourth Proportional to 2,685,686.40, 4,028,529.60 and 2,076,825.60

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Solution

The fourth proportional to 2,685,686.40, 4,028,529.60 and 2,076,825.60 is: 3,115,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,686.40 : 4,028,529.60 = 2,076,825.60 : x
  2. Step 2: Convert to fraction form
    2,685,686.40/4,028,529.60 = 2,076,825.60/x
  3. Step 3: Cross multiply
    2,685,686.40x = 4,028,529.60 × 2,076,825.60
  4. Step 4: Simplify right side
    2,685,686.40x = 8,366,553,403,637.76
  5. Step 5: Solve for x
    x = 8,366,553,403,637.76/2,685,686.40
  6. Step 6: Final answer
    x = 3,115,238.40

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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.