Finding the Fourth Proportional to 5,513,605.20, 8,257,966.20 and 3,274,117.20
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Solution
The fourth proportional to 5,513,605.20, 8,257,966.20 and 3,274,117.20 is: 4,903,787.67
Step by Step Solution
- Step 1: Write the proportion equation
5,513,605.20 : 8,257,966.20 = 3,274,117.20 : x - Step 2: Convert to fraction form
5,513,605.20/8,257,966.20 = 3,274,117.20/x - Step 3: Cross multiply
5,513,605.20x = 8,257,966.20 × 3,274,117.20 - Step 4: Simplify right side
5,513,605.20x = 27,037,549,172,438.64 - Step 5: Solve for x
x = 27,037,549,172,438.64/5,513,605.20 - Step 6: Final answer
x = 4,903,787.67
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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.