Finding the Fourth Proportional to 1,334,174.12, 1,841,462.91 and 1,043,210.17
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Solution
The fourth proportional to 1,334,174.12, 1,841,462.91 and 1,043,210.17 is: 1,439,866.66
Step by Step Solution
- Step 1: Write the proportion equation
1,334,174.12 : 1,841,462.91 = 1,043,210.17 : x - Step 2: Convert to fraction form
1,334,174.12/1,841,462.91 = 1,043,210.17/x - Step 3: Cross multiply
1,334,174.12x = 1,841,462.91 × 1,043,210.17 - Step 4: Simplify right side
1,334,174.12x = 1,921,032,837,691.62 - Step 5: Solve for x
x = 1,921,032,837,691.62/1,334,174.12 - Step 6: Final answer
x = 1,439,866.66
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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.