Home / 6,443,904.74-8,892,908.04-3,997,303.92

Finding the Fourth Proportional to 6,443,904.74, 8,892,908.04 and 3,997,303.92

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Solution

The fourth proportional to 6,443,904.74, 8,892,908.04 and 3,997,303.92 is: 5,516,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,904.74 : 8,892,908.04 = 3,997,303.92 : x
  2. Step 2: Convert to fraction form
    6,443,904.74/8,892,908.04 = 3,997,303.92/x
  3. Step 3: Cross multiply
    6,443,904.74x = 8,892,908.04 × 3,997,303.92
  4. Step 4: Simplify right side
    6,443,904.74x = 35,547,656,168,491.52
  5. Step 5: Solve for x
    x = 35,547,656,168,491.52/6,443,904.74
  6. Step 6: Final answer
    x = 5,516,477.61

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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.