Finding the Fourth Proportional to 1,615,455.19, 2,229,328.17 and 890,302.93
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Solution
The fourth proportional to 1,615,455.19, 2,229,328.17 and 890,302.93 is: 1,228,618.04
Step by Step Solution
- Step 1: Write the proportion equation
1,615,455.19 : 2,229,328.17 = 890,302.93 : x - Step 2: Convert to fraction form
1,615,455.19/2,229,328.17 = 890,302.93/x - Step 3: Cross multiply
1,615,455.19x = 2,229,328.17 × 890,302.93 - Step 4: Simplify right side
1,615,455.19x = 1,984,777,390,535.90 - Step 5: Solve for x
x = 1,984,777,390,535.90/1,615,455.19 - Step 6: Final answer
x = 1,228,618.04
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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.