Finding the Fourth Proportional to 3,402,479.40, 5,103,549.48 and 1,272,406.92
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Solution
The fourth proportional to 3,402,479.40, 5,103,549.48 and 1,272,406.92 is: 1,908,546.95
Step by Step Solution
- Step 1: Write the proportion equation
3,402,479.40 : 5,103,549.48 = 1,272,406.92 : x - Step 2: Convert to fraction form
3,402,479.40/5,103,549.48 = 1,272,406.92/x - Step 3: Cross multiply
3,402,479.40x = 5,103,549.48 × 1,272,406.92 - Step 4: Simplify right side
3,402,479.40x = 6,493,791,674,914.40 - Step 5: Solve for x
x = 6,493,791,674,914.40/3,402,479.40 - Step 6: Final answer
x = 1,908,546.95
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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.