Finding the Fourth Proportional to 4,919,580.36, 6,789,029.58 and 2,714,392.62
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Solution
The fourth proportional to 4,919,580.36, 6,789,029.58 and 2,714,392.62 is: 3,745,866.61
Step by Step Solution
- Step 1: Write the proportion equation
4,919,580.36 : 6,789,029.58 = 2,714,392.62 : x - Step 2: Convert to fraction form
4,919,580.36/6,789,029.58 = 2,714,392.62/x - Step 3: Cross multiply
4,919,580.36x = 6,789,029.58 × 2,714,392.62 - Step 4: Simplify right side
4,919,580.36x = 18,428,091,788,913.70 - Step 5: Solve for x
x = 18,428,091,788,913.70/4,919,580.36 - Step 6: Final answer
x = 3,745,866.61
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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.