Home / 3,078,028.46-4,616,823.72-947,890.46

Finding the Fourth Proportional to 3,078,028.46, 4,616,823.72 and 947,890.46

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Solution

The fourth proportional to 3,078,028.46, 4,616,823.72 and 947,890.46 is: 1,421,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,028.46 : 4,616,823.72 = 947,890.46 : x
  2. Step 2: Convert to fraction form
    3,078,028.46/4,616,823.72 = 947,890.46/x
  3. Step 3: Cross multiply
    3,078,028.46x = 4,616,823.72 × 947,890.46
  4. Step 4: Simplify right side
    3,078,028.46x = 4,376,243,159,689.71
  5. Step 5: Solve for x
    x = 4,376,243,159,689.71/3,078,028.46
  6. Step 6: Final answer
    x = 1,421,768.26

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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.