Finding the Fourth Proportional to 4,542,328.20, 6,266,830.02 and 2,911,634.70
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Solution
The fourth proportional to 4,542,328.20, 6,266,830.02 and 2,911,634.70 is: 4,017,041.25
Step by Step Solution
- Step 1: Write the proportion equation
4,542,328.20 : 6,266,830.02 = 2,911,634.70 : x - Step 2: Convert to fraction form
4,542,328.20/6,266,830.02 = 2,911,634.70/x - Step 3: Cross multiply
4,542,328.20x = 6,266,830.02 × 2,911,634.70 - Step 4: Simplify right side
4,542,328.20x = 18,246,719,745,233.70 - Step 5: Solve for x
x = 18,246,719,745,233.70/4,542,328.20 - Step 6: Final answer
x = 4,017,041.25
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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.