Finding the Fourth Proportional to 4,272,898.70, 6,409,348.05 and 1,433,002.66
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Solution
The fourth proportional to 4,272,898.70, 6,409,348.05 and 1,433,002.66 is: 2,149,503.99
Step by Step Solution
- Step 1: Write the proportion equation
4,272,898.70 : 6,409,348.05 = 1,433,002.66 : x - Step 2: Convert to fraction form
4,272,898.70/6,409,348.05 = 1,433,002.66/x - Step 3: Cross multiply
4,272,898.70x = 6,409,348.05 × 1,433,002.66 - Step 4: Simplify right side
4,272,898.70x = 9,184,612,793,866.20 - Step 5: Solve for x
x = 9,184,612,793,866.20/4,272,898.70 - Step 6: Final answer
x = 2,149,503.99
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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.