Home / 3,158,143.32-4,358,239.62-1,707,838.67

Finding the Fourth Proportional to 3,158,143.32, 4,358,239.62 and 1,707,838.67

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Solution

The fourth proportional to 3,158,143.32, 4,358,239.62 and 1,707,838.67 is: 2,356,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,143.32 : 4,358,239.62 = 1,707,838.67 : x
  2. Step 2: Convert to fraction form
    3,158,143.32/4,358,239.62 = 1,707,838.67/x
  3. Step 3: Cross multiply
    3,158,143.32x = 4,358,239.62 × 1,707,838.67
  4. Step 4: Simplify right side
    3,158,143.32x = 7,443,170,134,370.91
  5. Step 5: Solve for x
    x = 7,443,170,134,370.91/3,158,143.32
  6. Step 6: Final answer
    x = 2,356,818.35

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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.