Finding the Fourth Proportional to 1,387,551.30, 2,080,808.55 and 965,573.70
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Solution
The fourth proportional to 1,387,551.30, 2,080,808.55 and 965,573.70 is: 1,447,999.80
Step by Step Solution
- Step 1: Write the proportion equation
1,387,551.30 : 2,080,808.55 = 965,573.70 : x - Step 2: Convert to fraction form
1,387,551.30/2,080,808.55 = 965,573.70/x - Step 3: Cross multiply
1,387,551.30x = 2,080,808.55 × 965,573.70 - Step 4: Simplify right side
1,387,551.30x = 2,009,174,010,615.14 - Step 5: Solve for x
x = 2,009,174,010,615.14/1,387,551.30 - Step 6: Final answer
x = 1,447,999.80
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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.