Home / 2,142,721.45-2,956,991.67-1,175,941.70

Finding the Fourth Proportional to 2,142,721.45, 2,956,991.67 and 1,175,941.70

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Solution

The fourth proportional to 2,142,721.45, 2,956,991.67 and 1,175,941.70 is: 1,622,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,721.45 : 2,956,991.67 = 1,175,941.70 : x
  2. Step 2: Convert to fraction form
    2,142,721.45/2,956,991.67 = 1,175,941.70/x
  3. Step 3: Cross multiply
    2,142,721.45x = 2,956,991.67 × 1,175,941.70
  4. Step 4: Simplify right side
    2,142,721.45x = 3,477,249,807,609.40
  5. Step 5: Solve for x
    x = 3,477,249,807,609.40/2,142,721.45
  6. Step 6: Final answer
    x = 1,622,819.34

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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.