Finding the Fourth Proportional to 1,438,164.96, 1,984,788.80 and 834,514.08
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Solution
The fourth proportional to 1,438,164.96, 1,984,788.80 and 834,514.08 is: 1,151,699.73
Step by Step Solution
- Step 1: Write the proportion equation
1,438,164.96 : 1,984,788.80 = 834,514.08 : x - Step 2: Convert to fraction form
1,438,164.96/1,984,788.80 = 834,514.08/x - Step 3: Cross multiply
1,438,164.96x = 1,984,788.80 × 834,514.08 - Step 4: Simplify right side
1,438,164.96x = 1,656,334,199,426.30 - Step 5: Solve for x
x = 1,656,334,199,426.30/1,438,164.96 - Step 6: Final answer
x = 1,151,699.73
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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.