Finding the Fourth Proportional to 5,353,252.65, 7,387,618.91 and 2,905,964.01
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Solution
The fourth proportional to 5,353,252.65, 7,387,618.91 and 2,905,964.01 is: 4,010,301.04
Step by Step Solution
- Step 1: Write the proportion equation
5,353,252.65 : 7,387,618.91 = 2,905,964.01 : x - Step 2: Convert to fraction form
5,353,252.65/7,387,618.91 = 2,905,964.01/x - Step 3: Cross multiply
5,353,252.65x = 7,387,618.91 × 2,905,964.01 - Step 4: Simplify right side
5,353,252.65x = 21,468,154,657,525.61 - Step 5: Solve for x
x = 21,468,154,657,525.61/5,353,252.65 - Step 6: Final answer
x = 4,010,301.04
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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.