Finding the Fourth Proportional to 3,564,909.21, 5,348,938.46 and 1,439,145.21
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Solution
The fourth proportional to 3,564,909.21, 5,348,938.46 and 1,439,145.21 is: 2,159,353.50
Step by Step Solution
- Step 1: Write the proportion equation
3,564,909.21 : 5,348,938.46 = 1,439,145.21 : x - Step 2: Convert to fraction form
3,564,909.21/5,348,938.46 = 1,439,145.21/x - Step 3: Cross multiply
3,564,909.21x = 5,348,938.46 × 1,439,145.21 - Step 4: Simplify right side
3,564,909.21x = 7,697,899,163,293.78 - Step 5: Solve for x
x = 7,697,899,163,293.78/3,564,909.21 - Step 6: Final answer
x = 2,159,353.50
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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.