Finding the Fourth Proportional to 946,518.90, 1,412,534.36 and 845,545.11
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Solution
The fourth proportional to 946,518.90, 1,412,534.36 and 845,545.11 is: 1,261,846.45
Step by Step Solution
- Step 1: Write the proportion equation
946,518.90 : 1,412,534.36 = 845,545.11 : x - Step 2: Convert to fraction form
946,518.90/1,412,534.36 = 845,545.11/x - Step 3: Cross multiply
946,518.90x = 1,412,534.36 × 845,545.11 - Step 4: Simplify right side
946,518.90x = 1,194,361,516,577.25 - Step 5: Solve for x
x = 1,194,361,516,577.25/946,518.90 - Step 6: Final answer
x = 1,261,846.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.