Finding the Fourth Proportional to 1,488,148.68, 2,232,218.05 and 408,662.18
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Solution
The fourth proportional to 1,488,148.68, 2,232,218.05 and 408,662.18 is: 612,991.91
Step by Step Solution
- Step 1: Write the proportion equation
1,488,148.68 : 2,232,218.05 = 408,662.18 : x - Step 2: Convert to fraction form
1,488,148.68/2,232,218.05 = 408,662.18/x - Step 3: Cross multiply
1,488,148.68x = 2,232,218.05 × 408,662.18 - Step 4: Simplify right side
1,488,148.68x = 912,223,094,548.35 - Step 5: Solve for x
x = 912,223,094,548.35/1,488,148.68 - Step 6: Final answer
x = 612,991.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.