Finding the Fourth Proportional to 1,893,613.35, 2,613,250.91 and 1,119,907.42
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Solution
The fourth proportional to 1,893,613.35, 2,613,250.91 and 1,119,907.42 is: 1,545,510.38
Step by Step Solution
- Step 1: Write the proportion equation
1,893,613.35 : 2,613,250.91 = 1,119,907.42 : x - Step 2: Convert to fraction form
1,893,613.35/2,613,250.91 = 1,119,907.42/x - Step 3: Cross multiply
1,893,613.35x = 2,613,250.91 × 1,119,907.42 - Step 4: Simplify right side
1,893,613.35x = 2,926,599,086,997.62 - Step 5: Solve for x
x = 2,926,599,086,997.62/1,893,613.35 - Step 6: Final answer
x = 1,545,510.38
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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.