Finding the Fourth Proportional to 1,587,271.02, 2,190,449.88 and 862,132.92
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Solution
The fourth proportional to 1,587,271.02, 2,190,449.88 and 862,132.92 is: 1,189,752.05
Step by Step Solution
- Step 1: Write the proportion equation
1,587,271.02 : 2,190,449.88 = 862,132.92 : x - Step 2: Convert to fraction form
1,587,271.02/2,190,449.88 = 862,132.92/x - Step 3: Cross multiply
1,587,271.02x = 2,190,449.88 × 862,132.92 - Step 4: Simplify right side
1,587,271.02x = 1,888,458,951,158.05 - Step 5: Solve for x
x = 1,888,458,951,158.05/1,587,271.02 - Step 6: Final answer
x = 1,189,752.05
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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.