Finding the Fourth Proportional to 1,587,475.08, 2,190,731.94 and 862,337.16
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Solution
The fourth proportional to 1,587,475.08, 2,190,731.94 and 862,337.16 is: 1,190,034.15
Step by Step Solution
- Step 1: Write the proportion equation
1,587,475.08 : 2,190,731.94 = 862,337.16 : x - Step 2: Convert to fraction form
1,587,475.08/2,190,731.94 = 862,337.16/x - Step 3: Cross multiply
1,587,475.08x = 2,190,731.94 × 862,337.16 - Step 4: Simplify right side
1,587,475.08x = 1,889,149,559,460.89 - Step 5: Solve for x
x = 1,889,149,559,460.89/1,587,475.08 - Step 6: Final answer
x = 1,190,034.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.