Finding the Fourth Proportional to 2,991,740.52, 4,128,616.90 and 1,633,613.48
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Solution
The fourth proportional to 2,991,740.52, 4,128,616.90 and 1,633,613.48 is: 2,254,394.78
Step by Step Solution
- Step 1: Write the proportion equation
2,991,740.52 : 4,128,616.90 = 1,633,613.48 : x - Step 2: Convert to fraction form
2,991,740.52/4,128,616.90 = 1,633,613.48/x - Step 3: Cross multiply
2,991,740.52x = 4,128,616.90 × 1,633,613.48 - Step 4: Simplify right side
2,991,740.52x = 6,744,564,221,595.81 - Step 5: Solve for x
x = 6,744,564,221,595.81/2,991,740.52 - Step 6: Final answer
x = 2,254,394.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.