Finding the Fourth Proportional to 1,585,101.96, 2,187,647.06 and 887,648.42
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Solution
The fourth proportional to 1,585,101.96, 2,187,647.06 and 887,648.42 is: 1,225,070.38
Step by Step Solution
- Step 1: Write the proportion equation
1,585,101.96 : 2,187,647.06 = 887,648.42 : x - Step 2: Convert to fraction form
1,585,101.96/2,187,647.06 = 887,648.42/x - Step 3: Cross multiply
1,585,101.96x = 2,187,647.06 × 887,648.42 - Step 4: Simplify right side
1,585,101.96x = 1,941,861,456,326.65 - Step 5: Solve for x
x = 1,941,861,456,326.65/1,585,101.96 - Step 6: Final answer
x = 1,225,070.38
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1.5x scale
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.