Finding the Fourth Proportional to 3,462,432.63, 4,778,404.30 and 1,913,660.99
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Solution
The fourth proportional to 3,462,432.63, 4,778,404.30 and 1,913,660.99 is: 2,640,988.83
Step by Step Solution
- Step 1: Write the proportion equation
3,462,432.63 : 4,778,404.30 = 1,913,660.99 : x - Step 2: Convert to fraction form
3,462,432.63/4,778,404.30 = 1,913,660.99/x - Step 3: Cross multiply
3,462,432.63x = 4,778,404.30 × 1,913,660.99 - Step 4: Simplify right side
3,462,432.63x = 9,144,245,915,891.51 - Step 5: Solve for x
x = 9,144,245,915,891.51/3,462,432.63 - Step 6: Final answer
x = 2,640,988.83
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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.