Finding the Fourth Proportional to 4,903,652.21, 7,357,133.61 and 2,170,822.70
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Solution
The fourth proportional to 4,903,652.21, 7,357,133.61 and 2,170,822.70 is: 3,256,966.85
Step by Step Solution
- Step 1: Write the proportion equation
4,903,652.21 : 7,357,133.61 = 2,170,822.70 : x - Step 2: Convert to fraction form
4,903,652.21/7,357,133.61 = 2,170,822.70/x - Step 3: Cross multiply
4,903,652.21x = 7,357,133.61 × 2,170,822.70 - Step 4: Simplify right side
4,903,652.21x = 15,971,032,665,913.78 - Step 5: Solve for x
x = 15,971,032,665,913.78/4,903,652.21 - Step 6: Final answer
x = 3,256,966.85
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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.