Finding the Fourth Proportional to 1,425,132.08, 1,966,714.10 and 813,272.66
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Solution
The fourth proportional to 1,425,132.08, 1,966,714.10 and 813,272.66 is: 1,122,334.43
Step by Step Solution
- Step 1: Write the proportion equation
1,425,132.08 : 1,966,714.10 = 813,272.66 : x - Step 2: Convert to fraction form
1,425,132.08/1,966,714.10 = 813,272.66/x - Step 3: Cross multiply
1,425,132.08x = 1,966,714.10 × 813,272.66 - Step 4: Simplify right side
1,425,132.08x = 1,599,474,807,566.51 - Step 5: Solve for x
x = 1,599,474,807,566.51/1,425,132.08 - Step 6: Final answer
x = 1,122,334.43
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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.