Finding the Fourth Proportional to 1,780,515.84, 2,670,896.16 and 715,558.80
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Solution
The fourth proportional to 1,780,515.84, 2,670,896.16 and 715,558.80 is: 1,073,387.39
Step by Step Solution
- Step 1: Write the proportion equation
1,780,515.84 : 2,670,896.16 = 715,558.80 : x - Step 2: Convert to fraction form
1,780,515.84/2,670,896.16 = 715,558.80/x - Step 3: Cross multiply
1,780,515.84x = 2,670,896.16 × 715,558.80 - Step 4: Simplify right side
1,780,515.84x = 1,911,183,251,174.21 - Step 5: Solve for x
x = 1,911,183,251,174.21/1,780,515.84 - Step 6: Final answer
x = 1,073,387.39
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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.