Home / 3,939,210.84-5,908,814.34-947,393.88

Finding the Fourth Proportional to 3,939,210.84, 5,908,814.34 and 947,393.88

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Solution

The fourth proportional to 3,939,210.84, 5,908,814.34 and 947,393.88 is: 1,421,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,210.84 : 5,908,814.34 = 947,393.88 : x
  2. Step 2: Convert to fraction form
    3,939,210.84/5,908,814.34 = 947,393.88/x
  3. Step 3: Cross multiply
    3,939,210.84x = 5,908,814.34 × 947,393.88
  4. Step 4: Simplify right side
    3,939,210.84x = 5,597,974,543,772.24
  5. Step 5: Solve for x
    x = 5,597,974,543,772.24/3,939,210.84
  6. Step 6: Final answer
    x = 1,421,090.36

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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.