Finding the Fourth Proportional to 3,132,916.66, 4,695,738.14 and 1,186,407.88
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Solution
The fourth proportional to 3,132,916.66, 4,695,738.14 and 1,186,407.88 is: 1,778,234.58
Step by Step Solution
- Step 1: Write the proportion equation
3,132,916.66 : 4,695,738.14 = 1,186,407.88 : x - Step 2: Convert to fraction form
3,132,916.66/4,695,738.14 = 1,186,407.88/x - Step 3: Cross multiply
3,132,916.66x = 4,695,738.14 × 1,186,407.88 - Step 4: Simplify right side
3,132,916.66x = 5,571,060,731,712.54 - Step 5: Solve for x
x = 5,571,060,731,712.54/3,132,916.66 - Step 6: Final answer
x = 1,778,234.58
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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.