Finding the Fourth Proportional to 1,587,439.56, 2,190,686.44 and 862,299.48
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Solution
The fourth proportional to 1,587,439.56, 2,190,686.44 and 862,299.48 is: 1,189,984.06
Step by Step Solution
- Step 1: Write the proportion equation
1,587,439.56 : 2,190,686.44 = 862,299.48 : x - Step 2: Convert to fraction form
1,587,439.56/2,190,686.44 = 862,299.48/x - Step 3: Cross multiply
1,587,439.56x = 2,190,686.44 × 862,299.48 - Step 4: Simplify right side
1,587,439.56x = 1,889,027,778,055.05 - Step 5: Solve for x
x = 1,889,027,778,055.05/1,587,439.56 - Step 6: Final answer
x = 1,189,984.06
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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.