Finding the Fourth Proportional to 4,988,486.40, 7,464,045.60 and 3,552,489.60
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Solution
The fourth proportional to 4,988,486.40, 7,464,045.60 and 3,552,489.60 is: 5,315,428.82
Step by Step Solution
- Step 1: Write the proportion equation
4,988,486.40 : 7,464,045.60 = 3,552,489.60 : x - Step 2: Convert to fraction form
4,988,486.40/7,464,045.60 = 3,552,489.60/x - Step 3: Cross multiply
4,988,486.40x = 7,464,045.60 × 3,552,489.60 - Step 4: Simplify right side
4,988,486.40x = 26,515,944,367,925.76 - Step 5: Solve for x
x = 26,515,944,367,925.76/4,988,486.40 - Step 6: Final answer
x = 5,315,428.82
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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.