Finding the Fourth Proportional to 4,828,660.32, 6,663,519.36 and 2,653,227.12
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Solution
The fourth proportional to 4,828,660.32, 6,663,519.36 and 2,653,227.12 is: 3,661,435.91
Step by Step Solution
- Step 1: Write the proportion equation
4,828,660.32 : 6,663,519.36 = 2,653,227.12 : x - Step 2: Convert to fraction form
4,828,660.32/6,663,519.36 = 2,653,227.12/x - Step 3: Cross multiply
4,828,660.32x = 6,663,519.36 × 2,653,227.12 - Step 4: Simplify right side
4,828,660.32x = 17,679,830,280,597.04 - Step 5: Solve for x
x = 17,679,830,280,597.04/4,828,660.32 - Step 6: Final answer
x = 3,661,435.91
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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.