Finding the Fourth Proportional to 1,541,720.16, 2,127,633.48 and 862,642.08
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Solution
The fourth proportional to 1,541,720.16, 2,127,633.48 and 862,642.08 is: 1,190,479.45
Step by Step Solution
- Step 1: Write the proportion equation
1,541,720.16 : 2,127,633.48 = 862,642.08 : x - Step 2: Convert to fraction form
1,541,720.16/2,127,633.48 = 862,642.08/x - Step 3: Cross multiply
1,541,720.16x = 2,127,633.48 × 862,642.08 - Step 4: Simplify right side
1,541,720.16x = 1,835,386,170,664.84 - Step 5: Solve for x
x = 1,835,386,170,664.84/1,541,720.16 - Step 6: Final answer
x = 1,190,479.45
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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.