Home / 1,559,631.40-2,341,196.70-1,206,212.20

Finding the Fourth Proportional to 1,559,631.40, 2,341,196.70 and 1,206,212.20

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Solution

The fourth proportional to 1,559,631.40, 2,341,196.70 and 1,206,212.20 is: 1,810,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,631.40 : 2,341,196.70 = 1,206,212.20 : x
  2. Step 2: Convert to fraction form
    1,559,631.40/2,341,196.70 = 1,206,212.20/x
  3. Step 3: Cross multiply
    1,559,631.40x = 2,341,196.70 × 1,206,212.20
  4. Step 4: Simplify right side
    1,559,631.40x = 2,823,980,022,139.74
  5. Step 5: Solve for x
    x = 2,823,980,022,139.74/1,559,631.40
  6. Step 6: Final answer
    x = 1,810,671.43

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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.