Finding the Fourth Proportional to 5,422,759.15, 7,483,545.35 and 2,975,369.55
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Solution
The fourth proportional to 5,422,759.15, 7,483,545.35 and 2,975,369.55 is: 4,106,085.54
Step by Step Solution
- Step 1: Write the proportion equation
5,422,759.15 : 7,483,545.35 = 2,975,369.55 : x - Step 2: Convert to fraction form
5,422,759.15/7,483,545.35 = 2,975,369.55/x - Step 3: Cross multiply
5,422,759.15x = 7,483,545.35 × 2,975,369.55 - Step 4: Simplify right side
5,422,759.15x = 22,266,312,932,322.20 - Step 5: Solve for x
x = 22,266,312,932,322.20/5,422,759.15 - Step 6: Final answer
x = 4,106,085.54
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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.