Finding the Fourth Proportional to 1,587,402.64, 2,190,655.20 and 862,250.14
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Solution
The fourth proportional to 1,587,402.64, 2,190,655.20 and 862,250.14 is: 1,189,926.68
Step by Step Solution
- Step 1: Write the proportion equation
1,587,402.64 : 2,190,655.20 = 862,250.14 : x - Step 2: Convert to fraction form
1,587,402.64/2,190,655.20 = 862,250.14/x - Step 3: Cross multiply
1,587,402.64x = 2,190,655.20 × 862,250.14 - Step 4: Simplify right side
1,587,402.64x = 1,888,892,752,891.73 - Step 5: Solve for x
x = 1,888,892,752,891.73/1,587,402.64 - Step 6: Final answer
x = 1,189,926.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.