Finding the Fourth Proportional to 4,429,726.80, 6,644,590.20 and 2,536,659.60
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Solution
The fourth proportional to 4,429,726.80, 6,644,590.20 and 2,536,659.60 is: 3,804,989.40
Step by Step Solution
- Step 1: Write the proportion equation
4,429,726.80 : 6,644,590.20 = 2,536,659.60 : x - Step 2: Convert to fraction form
4,429,726.80/6,644,590.20 = 2,536,659.60/x - Step 3: Cross multiply
4,429,726.80x = 6,644,590.20 × 2,536,659.60 - Step 4: Simplify right side
4,429,726.80x = 16,855,063,518,895.92 - Step 5: Solve for x
x = 16,855,063,518,895.92/4,429,726.80 - Step 6: Final answer
x = 3,804,989.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.