Finding the Fourth Proportional to 5,158,548.72, 7,727,733.36 and 4,249,036.92
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Solution
The fourth proportional to 5,158,548.72, 7,727,733.36 and 4,249,036.92 is: 6,365,244.59
Step by Step Solution
- Step 1: Write the proportion equation
5,158,548.72 : 7,727,733.36 = 4,249,036.92 : x - Step 2: Convert to fraction form
5,158,548.72/7,727,733.36 = 4,249,036.92/x - Step 3: Cross multiply
5,158,548.72x = 7,727,733.36 × 4,249,036.92 - Step 4: Simplify right side
5,158,548.72x = 32,835,424,354,555.65 - Step 5: Solve for x
x = 32,835,424,354,555.65/5,158,548.72 - Step 6: Final answer
x = 6,365,244.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.