Finding the Fourth Proportional to 1,403,330.13, 1,937,093.54 and 830,369.07
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Solution
The fourth proportional to 1,403,330.13, 1,937,093.54 and 830,369.07 is: 1,146,203.96
Step by Step Solution
- Step 1: Write the proportion equation
1,403,330.13 : 1,937,093.54 = 830,369.07 : x - Step 2: Convert to fraction form
1,403,330.13/1,937,093.54 = 830,369.07/x - Step 3: Cross multiply
1,403,330.13x = 1,937,093.54 × 830,369.07 - Step 4: Simplify right side
1,403,330.13x = 1,608,502,557,160.96 - Step 5: Solve for x
x = 1,608,502,557,160.96/1,403,330.13 - Step 6: Final answer
x = 1,146,203.96
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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.