Home / 2,155,383.40-3,233,075.10-1,620,005.80

Finding the Fourth Proportional to 2,155,383.40, 3,233,075.10 and 1,620,005.80

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Solution

The fourth proportional to 2,155,383.40, 3,233,075.10 and 1,620,005.80 is: 2,430,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,383.40 : 3,233,075.10 = 1,620,005.80 : x
  2. Step 2: Convert to fraction form
    2,155,383.40/3,233,075.10 = 1,620,005.80/x
  3. Step 3: Cross multiply
    2,155,383.40x = 3,233,075.10 × 1,620,005.80
  4. Step 4: Simplify right side
    2,155,383.40x = 5,237,600,413,835.58
  5. Step 5: Solve for x
    x = 5,237,600,413,835.58/2,155,383.40
  6. Step 6: Final answer
    x = 2,430,008.70

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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.