Home / 2,029,688.88-2,800,970.40-1,213,892.42

Finding the Fourth Proportional to 2,029,688.88, 2,800,970.40 and 1,213,892.42

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Solution

The fourth proportional to 2,029,688.88, 2,800,970.40 and 1,213,892.42 is: 1,675,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029,688.88 : 2,800,970.40 = 1,213,892.42 : x
  2. Step 2: Convert to fraction form
    2,029,688.88/2,800,970.40 = 1,213,892.42/x
  3. Step 3: Cross multiply
    2,029,688.88x = 2,800,970.40 × 1,213,892.42
  4. Step 4: Simplify right side
    2,029,688.88x = 3,400,076,731,134.91
  5. Step 5: Solve for x
    x = 3,400,076,731,134.91/2,029,688.88
  6. Step 6: Final answer
    x = 1,675,171.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.