Finding the Fourth Proportional to 1,368,049.80, 1,887,909.14 and 747,857.68
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Solution
The fourth proportional to 1,368,049.80, 1,887,909.14 and 747,857.68 is: 1,032,043.83
Step by Step Solution
- Step 1: Write the proportion equation
1,368,049.80 : 1,887,909.14 = 747,857.68 : x - Step 2: Convert to fraction form
1,368,049.80/1,887,909.14 = 747,857.68/x - Step 3: Cross multiply
1,368,049.80x = 1,887,909.14 × 747,857.68 - Step 4: Simplify right side
1,368,049.80x = 1,411,887,349,491.20 - Step 5: Solve for x
x = 1,411,887,349,491.20/1,368,049.80 - Step 6: Final answer
x = 1,032,043.83
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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.