Finding the Fourth Proportional to 1,415,306.88, 1,952,975.07 and 826,624.80
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Solution
The fourth proportional to 1,415,306.88, 1,952,975.07 and 826,624.80 is: 1,140,655.54
Step by Step Solution
- Step 1: Write the proportion equation
1,415,306.88 : 1,952,975.07 = 826,624.80 : x - Step 2: Convert to fraction form
1,415,306.88/1,952,975.07 = 826,624.80/x - Step 3: Cross multiply
1,415,306.88x = 1,952,975.07 × 826,624.80 - Step 4: Simplify right side
1,415,306.88x = 1,614,377,626,643.74 - Step 5: Solve for x
x = 1,614,377,626,643.74/1,415,306.88 - Step 6: Final answer
x = 1,140,655.54
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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.