Home / 1,549,016.19-2,137,635.36-860,800.05

Finding the Fourth Proportional to 1,549,016.19, 2,137,635.36 and 860,800.05

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Solution

The fourth proportional to 1,549,016.19, 2,137,635.36 and 860,800.05 is: 1,187,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,016.19 : 2,137,635.36 = 860,800.05 : x
  2. Step 2: Convert to fraction form
    1,549,016.19/2,137,635.36 = 860,800.05/x
  3. Step 3: Cross multiply
    1,549,016.19x = 2,137,635.36 × 860,800.05
  4. Step 4: Simplify right side
    1,549,016.19x = 1,840,076,624,769.77
  5. Step 5: Solve for x
    x = 1,840,076,624,769.77/1,549,016.19
  6. Step 6: Final answer
    x = 1,187,900.19

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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.