Finding the Fourth Proportional to 1,486,228.96, 2,051,001.84 and 807,176.80
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Solution
The fourth proportional to 1,486,228.96, 2,051,001.84 and 807,176.80 is: 1,113,907.17
Step by Step Solution
- Step 1: Write the proportion equation
1,486,228.96 : 2,051,001.84 = 807,176.80 : x - Step 2: Convert to fraction form
1,486,228.96/2,051,001.84 = 807,176.80/x - Step 3: Cross multiply
1,486,228.96x = 2,051,001.84 × 807,176.80 - Step 4: Simplify right side
1,486,228.96x = 1,655,521,102,005.31 - Step 5: Solve for x
x = 1,655,521,102,005.31/1,486,228.96 - Step 6: Final answer
x = 1,113,907.17
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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.