Finding the Fourth Proportional to 4,528,465.84, 6,789,549.48 and 1,687,815.28
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Solution
The fourth proportional to 4,528,465.84, 6,789,549.48 and 1,687,815.28 is: 2,530,549.14
Step by Step Solution
- Step 1: Write the proportion equation
4,528,465.84 : 6,789,549.48 = 1,687,815.28 : x - Step 2: Convert to fraction form
4,528,465.84/6,789,549.48 = 1,687,815.28/x - Step 3: Cross multiply
4,528,465.84x = 6,789,549.48 × 1,687,815.28 - Step 4: Simplify right side
4,528,465.84x = 11,459,505,356,660.05 - Step 5: Solve for x
x = 11,459,505,356,660.05/4,528,465.84 - Step 6: Final answer
x = 2,530,549.14
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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.