Finding the Fourth Proportional to 1,557,687.01, 2,149,716.06 and 869,492.80
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Solution
The fourth proportional to 1,557,687.01, 2,149,716.06 and 869,492.80 is: 1,199,960.34
Step by Step Solution
- Step 1: Write the proportion equation
1,557,687.01 : 2,149,716.06 = 869,492.80 : x - Step 2: Convert to fraction form
1,557,687.01/2,149,716.06 = 869,492.80/x - Step 3: Cross multiply
1,557,687.01x = 2,149,716.06 × 869,492.80 - Step 4: Simplify right side
1,557,687.01x = 1,869,162,636,214.37 - Step 5: Solve for x
x = 1,869,162,636,214.37/1,557,687.01 - Step 6: Final answer
x = 1,199,960.34
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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.