Finding the Fourth Proportional to 1,709,839.80, 2,361,586.59 and 1,366,863.53
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Solution
The fourth proportional to 1,709,839.80, 2,361,586.59 and 1,366,863.53 is: 1,887,876.61
Step by Step Solution
- Step 1: Write the proportion equation
1,709,839.80 : 2,361,586.59 = 1,366,863.53 : x - Step 2: Convert to fraction form
1,709,839.80/2,361,586.59 = 1,366,863.53/x - Step 3: Cross multiply
1,709,839.80x = 2,361,586.59 × 1,366,863.53 - Step 4: Simplify right side
1,709,839.80x = 3,227,966,571,000.13 - Step 5: Solve for x
x = 3,227,966,571,000.13/1,709,839.80 - Step 6: Final answer
x = 1,887,876.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.