Finding the Fourth Proportional to 1,893,644.55, 2,613,246.21 and 1,077,900.75
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Solution
The fourth proportional to 1,893,644.55, 2,613,246.21 and 1,077,900.75 is: 1,487,512.56
Step by Step Solution
- Step 1: Write the proportion equation
1,893,644.55 : 2,613,246.21 = 1,077,900.75 : x - Step 2: Convert to fraction form
1,893,644.55/2,613,246.21 = 1,077,900.75/x - Step 3: Cross multiply
1,893,644.55x = 2,613,246.21 × 1,077,900.75 - Step 4: Simplify right side
1,893,644.55x = 2,816,820,049,693.66 - Step 5: Solve for x
x = 2,816,820,049,693.66/1,893,644.55 - Step 6: Final answer
x = 1,487,512.56
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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.