Home / 4,785,428.08-7,161,280.08-2,989,157.50

Finding the Fourth Proportional to 4,785,428.08, 7,161,280.08 and 2,989,157.50

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Solution

The fourth proportional to 4,785,428.08, 7,161,280.08 and 2,989,157.50 is: 4,473,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785,428.08 : 7,161,280.08 = 2,989,157.50 : x
  2. Step 2: Convert to fraction form
    4,785,428.08/7,161,280.08 = 2,989,157.50/x
  3. Step 3: Cross multiply
    4,785,428.08x = 7,161,280.08 × 2,989,157.50
  4. Step 4: Simplify right side
    4,785,428.08x = 21,406,194,060,732.60
  5. Step 5: Solve for x
    x = 21,406,194,060,732.60/4,785,428.08
  6. Step 6: Final answer
    x = 4,473,203.59

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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.