Finding the Fourth Proportional to 1,625,712.15, 2,243,454.62 and 900,544.62
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Solution
The fourth proportional to 1,625,712.15, 2,243,454.62 and 900,544.62 is: 1,242,735.98
Step by Step Solution
- Step 1: Write the proportion equation
1,625,712.15 : 2,243,454.62 = 900,544.62 : x - Step 2: Convert to fraction form
1,625,712.15/2,243,454.62 = 900,544.62/x - Step 3: Cross multiply
1,625,712.15x = 2,243,454.62 × 900,544.62 - Step 4: Simplify right side
1,625,712.15x = 2,020,330,983,752.42 - Step 5: Solve for x
x = 2,020,330,983,752.42/1,625,712.15 - Step 6: Final answer
x = 1,242,735.98
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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.