Finding the Fourth Proportional to 1,668,476.84, 2,503,459.64 and 769,435.97
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Solution
The fourth proportional to 1,668,476.84, 2,503,459.64 and 769,435.97 is: 1,154,497.23
Step by Step Solution
- Step 1: Write the proportion equation
1,668,476.84 : 2,503,459.64 = 769,435.97 : x - Step 2: Convert to fraction form
1,668,476.84/2,503,459.64 = 769,435.97/x - Step 3: Cross multiply
1,668,476.84x = 2,503,459.64 × 769,435.97 - Step 4: Simplify right side
1,668,476.84x = 1,926,251,880,094.77 - Step 5: Solve for x
x = 1,926,251,880,094.77/1,668,476.84 - Step 6: Final answer
x = 1,154,497.23
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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.