Finding the Fourth Proportional to 1,623,675.24, 2,240,649.68 and 898,478.78
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Solution
The fourth proportional to 1,623,675.24, 2,240,649.68 and 898,478.78 is: 1,239,888.45
Step by Step Solution
- Step 1: Write the proportion equation
1,623,675.24 : 2,240,649.68 = 898,478.78 : x - Step 2: Convert to fraction form
1,623,675.24/2,240,649.68 = 898,478.78/x - Step 3: Cross multiply
1,623,675.24x = 2,240,649.68 × 898,478.78 - Step 4: Simplify right side
1,623,675.24x = 2,013,176,175,198.15 - Step 5: Solve for x
x = 2,013,176,175,198.15/1,623,675.24 - Step 6: Final answer
x = 1,239,888.45
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1.5x scale
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.