Finding the Fourth Proportional to 3,679,302.54, 5,518,955.34 and 1,655,182.20
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Solution
The fourth proportional to 3,679,302.54, 5,518,955.34 and 1,655,182.20 is: 2,482,773.99
Step by Step Solution
- Step 1: Write the proportion equation
3,679,302.54 : 5,518,955.34 = 1,655,182.20 : x - Step 2: Convert to fraction form
3,679,302.54/5,518,955.34 = 1,655,182.20/x - Step 3: Cross multiply
3,679,302.54x = 5,518,955.34 × 1,655,182.20 - Step 4: Simplify right side
3,679,302.54x = 9,134,876,641,362.95 - Step 5: Solve for x
x = 9,134,876,641,362.95/3,679,302.54 - Step 6: Final answer
x = 2,482,773.99
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1.5x scale
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.