Home / 5,411,746.08-8,118,364.32-1,818,540.72

Finding the Fourth Proportional to 5,411,746.08, 8,118,364.32 and 1,818,540.72

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Solution

The fourth proportional to 5,411,746.08, 8,118,364.32 and 1,818,540.72 is: 2,728,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411,746.08 : 8,118,364.32 = 1,818,540.72 : x
  2. Step 2: Convert to fraction form
    5,411,746.08/8,118,364.32 = 1,818,540.72/x
  3. Step 3: Cross multiply
    5,411,746.08x = 8,118,364.32 × 1,818,540.72
  4. Step 4: Simplify right side
    5,411,746.08x = 14,763,576,095,715.11
  5. Step 5: Solve for x
    x = 14,763,576,095,715.11/5,411,746.08
  6. Step 6: Final answer
    x = 2,728,061.49

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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.