Finding the Fourth Proportional to 1,587,730.44, 2,191,057.32 and 862,573.08
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Solution
The fourth proportional to 1,587,730.44, 2,191,057.32 and 862,573.08 is: 1,190,345.04
Step by Step Solution
- Step 1: Write the proportion equation
1,587,730.44 : 2,191,057.32 = 862,573.08 : x - Step 2: Convert to fraction form
1,587,730.44/2,191,057.32 = 862,573.08/x - Step 3: Cross multiply
1,587,730.44x = 2,191,057.32 × 862,573.08 - Step 4: Simplify right side
1,587,730.44x = 1,889,947,060,968.95 - Step 5: Solve for x
x = 1,889,947,060,968.95/1,587,730.44 - Step 6: Final answer
x = 1,190,345.04
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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.