Finding the Fourth Proportional to 1,451,830.80, 2,175,121.80 and 1,241,878.80
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Solution
The fourth proportional to 1,451,830.80, 2,175,121.80 and 1,241,878.80 is: 1,860,573.32
Step by Step Solution
- Step 1: Write the proportion equation
1,451,830.80 : 2,175,121.80 = 1,241,878.80 : x - Step 2: Convert to fraction form
1,451,830.80/2,175,121.80 = 1,241,878.80/x - Step 3: Cross multiply
1,451,830.80x = 2,175,121.80 × 1,241,878.80 - Step 4: Simplify right side
1,451,830.80x = 2,701,237,650,837.84 - Step 5: Solve for x
x = 2,701,237,650,837.84/1,451,830.80 - Step 6: Final answer
x = 1,860,573.32
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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.