Finding the Fourth Proportional to 1,368,051.24, 1,887,911.13 and 747,859.13
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Solution
The fourth proportional to 1,368,051.24, 1,887,911.13 and 747,859.13 is: 1,032,045.83
Step by Step Solution
- Step 1: Write the proportion equation
1,368,051.24 : 1,887,911.13 = 747,859.13 : x - Step 2: Convert to fraction form
1,368,051.24/1,887,911.13 = 747,859.13/x - Step 3: Cross multiply
1,368,051.24x = 1,887,911.13 × 747,859.13 - Step 4: Simplify right side
1,368,051.24x = 1,411,891,575,199.12 - Step 5: Solve for x
x = 1,411,891,575,199.12/1,368,051.24 - Step 6: Final answer
x = 1,032,045.83
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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.