Finding the Fourth Proportional to 3,818,587.20, 5,730,372.76 and 1,424,347.08
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Solution
The fourth proportional to 3,818,587.20, 5,730,372.76 and 1,424,347.08 is: 2,137,450.13
Step by Step Solution
- Step 1: Write the proportion equation
3,818,587.20 : 5,730,372.76 = 1,424,347.08 : x - Step 2: Convert to fraction form
3,818,587.20/5,730,372.76 = 1,424,347.08/x - Step 3: Cross multiply
3,818,587.20x = 5,730,372.76 × 1,424,347.08 - Step 4: Simplify right side
3,818,587.20x = 8,162,039,708,017.54 - Step 5: Solve for x
x = 8,162,039,708,017.54/3,818,587.20 - Step 6: Final answer
x = 2,137,450.13
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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.