Finding the Fourth Proportional to 4,919,488.05, 6,789,197.62 and 2,714,340.06
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Solution
The fourth proportional to 4,919,488.05, 6,789,197.62 and 2,714,340.06 is: 3,745,957.08
Step by Step Solution
- Step 1: Write the proportion equation
4,919,488.05 : 6,789,197.62 = 2,714,340.06 : x - Step 2: Convert to fraction form
4,919,488.05/6,789,197.62 = 2,714,340.06/x - Step 3: Cross multiply
4,919,488.05x = 6,789,197.62 × 2,714,340.06 - Step 4: Simplify right side
4,919,488.05x = 18,428,191,075,222.66 - Step 5: Solve for x
x = 18,428,191,075,222.66/4,919,488.05 - Step 6: Final answer
x = 3,745,957.08
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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.