Finding the Fourth Proportional to 5,418,371.43, 8,128,752.62 and 1,580,494.14
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Solution
The fourth proportional to 5,418,371.43, 8,128,752.62 and 1,580,494.14 is: 2,371,089.92
Step by Step Solution
- Step 1: Write the proportion equation
5,418,371.43 : 8,128,752.62 = 1,580,494.14 : x - Step 2: Convert to fraction form
5,418,371.43/8,128,752.62 = 1,580,494.14/x - Step 3: Cross multiply
5,418,371.43x = 8,128,752.62 × 1,580,494.14 - Step 4: Simplify right side
5,418,371.43x = 12,847,445,873,517.18 - Step 5: Solve for x
x = 12,847,445,873,517.18/5,418,371.43 - Step 6: Final answer
x = 2,371,089.92
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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.