Home / 2,888,017.07-3,985,312.03-1,581,018.56

Finding the Fourth Proportional to 2,888,017.07, 3,985,312.03 and 1,581,018.56

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Solution

The fourth proportional to 2,888,017.07, 3,985,312.03 and 1,581,018.56 is: 2,181,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,017.07 : 3,985,312.03 = 1,581,018.56 : x
  2. Step 2: Convert to fraction form
    2,888,017.07/3,985,312.03 = 1,581,018.56/x
  3. Step 3: Cross multiply
    2,888,017.07x = 3,985,312.03 × 1,581,018.56
  4. Step 4: Simplify right side
    2,888,017.07x = 6,300,852,262,942.17
  5. Step 5: Solve for x
    x = 6,300,852,262,942.17/2,888,017.07
  6. Step 6: Final answer
    x = 2,181,722.65

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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.