Finding the Fourth Proportional to 1,352,277.50, 1,866,136.10 and 740,419.14
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Solution
The fourth proportional to 1,352,277.50, 1,866,136.10 and 740,419.14 is: 1,021,774.66
Step by Step Solution
- Step 1: Write the proportion equation
1,352,277.50 : 1,866,136.10 = 740,419.14 : x - Step 2: Convert to fraction form
1,352,277.50/1,866,136.10 = 740,419.14/x - Step 3: Cross multiply
1,352,277.50x = 1,866,136.10 × 740,419.14 - Step 4: Simplify right side
1,352,277.50x = 1,381,722,882,582.86 - Step 5: Solve for x
x = 1,381,722,882,582.86/1,352,277.50 - Step 6: Final answer
x = 1,021,774.66
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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.