Finding the Fourth Proportional to 4,668,638.19, 6,442,726.86 and 2,575,433.42
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Solution
The fourth proportional to 4,668,638.19, 6,442,726.86 and 2,575,433.42 is: 3,554,101.52
Step by Step Solution
- Step 1: Write the proportion equation
4,668,638.19 : 6,442,726.86 = 2,575,433.42 : x - Step 2: Convert to fraction form
4,668,638.19/6,442,726.86 = 2,575,433.42/x - Step 3: Cross multiply
4,668,638.19x = 6,442,726.86 × 2,575,433.42 - Step 4: Simplify right side
4,668,638.19x = 16,592,814,087,282.48 - Step 5: Solve for x
x = 16,592,814,087,282.48/4,668,638.19 - Step 6: Final answer
x = 3,554,101.52
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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.