Home / 6,877,566.70-9,491,128.05-3,780,428.20

Finding the Fourth Proportional to 6,877,566.70, 9,491,128.05 and 3,780,428.20

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Solution

The fourth proportional to 6,877,566.70, 9,491,128.05 and 3,780,428.20 is: 5,217,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877,566.70 : 9,491,128.05 = 3,780,428.20 : x
  2. Step 2: Convert to fraction form
    6,877,566.70/9,491,128.05 = 3,780,428.20/x
  3. Step 3: Cross multiply
    6,877,566.70x = 9,491,128.05 × 3,780,428.20
  4. Step 4: Simplify right side
    6,877,566.70x = 35,880,528,130,031.02
  5. Step 5: Solve for x
    x = 35,880,528,130,031.02/6,877,566.70
  6. Step 6: Final answer
    x = 5,217,038.19

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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.