Finding the Fourth Proportional to 1,490,409.48, 2,228,747.04 and 1,106,882.58
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Solution
The fourth proportional to 1,490,409.48, 2,228,747.04 and 1,106,882.58 is: 1,655,223.82
Step by Step Solution
- Step 1: Write the proportion equation
1,490,409.48 : 2,228,747.04 = 1,106,882.58 : x - Step 2: Convert to fraction form
1,490,409.48/2,228,747.04 = 1,106,882.58/x - Step 3: Cross multiply
1,490,409.48x = 2,228,747.04 × 1,106,882.58 - Step 4: Simplify right side
1,490,409.48x = 2,466,961,273,802.56 - Step 5: Solve for x
x = 2,466,961,273,802.56/1,490,409.48 - Step 6: Final answer
x = 1,655,223.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.