Finding the Fourth Proportional to 1,368,125.87, 1,887,553.41 and 885,301.88
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Solution
The fourth proportional to 1,368,125.87, 1,887,553.41 and 885,301.88 is: 1,221,418.74
Step by Step Solution
- Step 1: Write the proportion equation
1,368,125.87 : 1,887,553.41 = 885,301.88 : x - Step 2: Convert to fraction form
1,368,125.87/1,887,553.41 = 885,301.88/x - Step 3: Cross multiply
1,368,125.87x = 1,887,553.41 × 885,301.88 - Step 4: Simplify right side
1,368,125.87x = 1,671,054,582,473.41 - Step 5: Solve for x
x = 1,671,054,582,473.41/1,368,125.87 - Step 6: Final answer
x = 1,221,418.74
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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.