Finding the Fourth Proportional to 4,615,660.52, 6,369,856.04 and 2,780,696.38
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Solution
The fourth proportional to 4,615,660.52, 6,369,856.04 and 2,780,696.38 is: 3,837,508.32
Step by Step Solution
- Step 1: Write the proportion equation
4,615,660.52 : 6,369,856.04 = 2,780,696.38 : x - Step 2: Convert to fraction form
4,615,660.52/6,369,856.04 = 2,780,696.38/x - Step 3: Cross multiply
4,615,660.52x = 6,369,856.04 × 2,780,696.38 - Step 4: Simplify right side
4,615,660.52x = 17,712,635,631,549.13 - Step 5: Solve for x
x = 17,712,635,631,549.13/4,615,660.52 - Step 6: Final answer
x = 3,837,508.32
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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.