Home / 3,078,030.71-4,616,827.09-947,892.71

Finding the Fourth Proportional to 3,078,030.71, 4,616,827.09 and 947,892.71

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Solution

The fourth proportional to 3,078,030.71, 4,616,827.09 and 947,892.71 is: 1,421,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,030.71 : 4,616,827.09 = 947,892.71 : x
  2. Step 2: Convert to fraction form
    3,078,030.71/4,616,827.09 = 947,892.71/x
  3. Step 3: Cross multiply
    3,078,030.71x = 4,616,827.09 × 947,892.71
  4. Step 4: Simplify right side
    3,078,030.71x = 4,376,256,741,941.51
  5. Step 5: Solve for x
    x = 4,376,256,741,941.51/3,078,030.71
  6. Step 6: Final answer
    x = 1,421,771.63

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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.