Finding the Fourth Proportional to 1,587,182.64, 2,190,327.84 and 862,044.54
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Solution
The fourth proportional to 1,587,182.64, 2,190,327.84 and 862,044.54 is: 1,189,630.04
Step by Step Solution
- Step 1: Write the proportion equation
1,587,182.64 : 2,190,327.84 = 862,044.54 : x - Step 2: Convert to fraction form
1,587,182.64/2,190,327.84 = 862,044.54/x - Step 3: Cross multiply
1,587,182.64x = 2,190,327.84 × 862,044.54 - Step 4: Simplify right side
1,587,182.64x = 1,888,160,155,281.99 - Step 5: Solve for x
x = 1,888,160,155,281.99/1,587,182.64 - Step 6: Final answer
x = 1,189,630.04
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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.