Finding the Fourth Proportional to 3,941,371.98, 5,909,432.76 and 1,416,699.18
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Solution
The fourth proportional to 3,941,371.98, 5,909,432.76 and 1,416,699.18 is: 2,124,105.16
Step by Step Solution
- Step 1: Write the proportion equation
3,941,371.98 : 5,909,432.76 = 1,416,699.18 : x - Step 2: Convert to fraction form
3,941,371.98/5,909,432.76 = 1,416,699.18/x - Step 3: Cross multiply
3,941,371.98x = 5,909,432.76 × 1,416,699.18 - Step 4: Simplify right side
3,941,371.98x = 8,371,888,545,357.14 - Step 5: Solve for x
x = 8,371,888,545,357.14/3,941,371.98 - Step 6: Final answer
x = 2,124,105.16
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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.