Finding the Fourth Proportional to 1,637,680.12, 2,456,811.84 and 558,132.88
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Solution
The fourth proportional to 1,637,680.12, 2,456,811.84 and 558,132.88 is: 837,298.72
Step by Step Solution
- Step 1: Write the proportion equation
1,637,680.12 : 2,456,811.84 = 558,132.88 : x - Step 2: Convert to fraction form
1,637,680.12/2,456,811.84 = 558,132.88/x - Step 3: Cross multiply
1,637,680.12x = 2,456,811.84 × 558,132.88 - Step 4: Simplify right side
1,637,680.12x = 1,371,227,467,877.30 - Step 5: Solve for x
x = 1,371,227,467,877.30/1,637,680.12 - Step 6: Final answer
x = 837,298.72
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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.