Finding the Fourth Proportional to 1,625,592.30, 2,243,391.21 and 900,439.92
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Solution
The fourth proportional to 1,625,592.30, 2,243,391.21 and 900,439.92 is: 1,242,647.99
Step by Step Solution
- Step 1: Write the proportion equation
1,625,592.30 : 2,243,391.21 = 900,439.92 : x - Step 2: Convert to fraction form
1,625,592.30/2,243,391.21 = 900,439.92/x - Step 3: Cross multiply
1,625,592.30x = 2,243,391.21 × 900,439.92 - Step 4: Simplify right side
1,625,592.30x = 2,020,039,001,661.10 - Step 5: Solve for x
x = 2,020,039,001,661.10/1,625,592.30 - Step 6: Final answer
x = 1,242,647.99
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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.