Finding the Fourth Proportional to 1,664,226.78, 2,498,063.13 and 1,024,990.98
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Solution
The fourth proportional to 1,664,226.78, 2,498,063.13 and 1,024,990.98 is: 1,538,547.63
Step by Step Solution
- Step 1: Write the proportion equation
1,664,226.78 : 2,498,063.13 = 1,024,990.98 : x - Step 2: Convert to fraction form
1,664,226.78/2,498,063.13 = 1,024,990.98/x - Step 3: Cross multiply
1,664,226.78x = 2,498,063.13 × 1,024,990.98 - Step 4: Simplify right side
1,664,226.78x = 2,560,492,175,720.57 - Step 5: Solve for x
x = 2,560,492,175,720.57/1,664,226.78 - Step 6: Final answer
x = 1,538,547.63
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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.