Home / 1,617,719.40-2,426,579.10-1,086,877.80

Finding the Fourth Proportional to 1,617,719.40, 2,426,579.10 and 1,086,877.80

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Solution

The fourth proportional to 1,617,719.40, 2,426,579.10 and 1,086,877.80 is: 1,630,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,719.40 : 2,426,579.10 = 1,086,877.80 : x
  2. Step 2: Convert to fraction form
    1,617,719.40/2,426,579.10 = 1,086,877.80/x
  3. Step 3: Cross multiply
    1,617,719.40x = 2,426,579.10 × 1,086,877.80
  4. Step 4: Simplify right side
    1,617,719.40x = 2,637,394,953,733.98
  5. Step 5: Solve for x
    x = 2,637,394,953,733.98/1,617,719.40
  6. Step 6: Final answer
    x = 1,630,316.70

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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.