Finding the Fourth Proportional to 2,176,334.31, 3,265,054.70 and 1,278,535.17
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Solution
The fourth proportional to 2,176,334.31, 3,265,054.70 and 1,278,535.17 is: 1,918,127.76
Step by Step Solution
- Step 1: Write the proportion equation
2,176,334.31 : 3,265,054.70 = 1,278,535.17 : x - Step 2: Convert to fraction form
2,176,334.31/3,265,054.70 = 1,278,535.17/x - Step 3: Cross multiply
2,176,334.31x = 3,265,054.70 × 1,278,535.17 - Step 4: Simplify right side
2,176,334.31x = 4,174,487,259,531.12 - Step 5: Solve for x
x = 4,174,487,259,531.12/2,176,334.31 - Step 6: Final answer
x = 1,918,127.76
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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.