Finding the Fourth Proportional to 1,676,972.16, 2,515,069.44 and 478,863.36
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Solution
The fourth proportional to 1,676,972.16, 2,515,069.44 and 478,863.36 is: 718,184.02
Step by Step Solution
- Step 1: Write the proportion equation
1,676,972.16 : 2,515,069.44 = 478,863.36 : x - Step 2: Convert to fraction form
1,676,972.16/2,515,069.44 = 478,863.36/x - Step 3: Cross multiply
1,676,972.16x = 2,515,069.44 × 478,863.36 - Step 4: Simplify right side
1,676,972.16x = 1,204,374,602,671.72 - Step 5: Solve for x
x = 1,204,374,602,671.72/1,676,972.16 - Step 6: Final answer
x = 718,184.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.