Finding the Fourth Proportional to 1,656,326.13, 2,285,716.32 and 931,177.08
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Solution
The fourth proportional to 1,656,326.13, 2,285,716.32 and 931,177.08 is: 1,285,016.65
Step by Step Solution
- Step 1: Write the proportion equation
1,656,326.13 : 2,285,716.32 = 931,177.08 : x - Step 2: Convert to fraction form
1,656,326.13/2,285,716.32 = 931,177.08/x - Step 3: Cross multiply
1,656,326.13x = 2,285,716.32 × 931,177.08 - Step 4: Simplify right side
1,656,326.13x = 2,128,406,648,565.95 - Step 5: Solve for x
x = 2,128,406,648,565.95/1,656,326.13 - Step 6: Final answer
x = 1,285,016.65
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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.