Home / 2,801,852.12-4,197,709.73-1,286,802.40

Finding the Fourth Proportional to 2,801,852.12, 4,197,709.73 and 1,286,802.40

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Solution

The fourth proportional to 2,801,852.12, 4,197,709.73 and 1,286,802.40 is: 1,927,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,852.12 : 4,197,709.73 = 1,286,802.40 : x
  2. Step 2: Convert to fraction form
    2,801,852.12/4,197,709.73 = 1,286,802.40/x
  3. Step 3: Cross multiply
    2,801,852.12x = 4,197,709.73 × 1,286,802.40
  4. Step 4: Simplify right side
    2,801,852.12x = 5,401,622,948,422.53
  5. Step 5: Solve for x
    x = 5,401,622,948,422.53/2,801,852.12
  6. Step 6: Final answer
    x = 1,927,875.82

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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.