Finding the Fourth Proportional to 2,239,672.08, 3,090,614.22 and 1,272,668.16
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Solution
The fourth proportional to 2,239,672.08, 3,090,614.22 and 1,272,668.16 is: 1,756,206.34
Step by Step Solution
- Step 1: Write the proportion equation
2,239,672.08 : 3,090,614.22 = 1,272,668.16 : x - Step 2: Convert to fraction form
2,239,672.08/3,090,614.22 = 1,272,668.16/x - Step 3: Cross multiply
2,239,672.08x = 3,090,614.22 × 1,272,668.16 - Step 4: Simplify right side
2,239,672.08x = 3,933,326,312,637.24 - Step 5: Solve for x
x = 3,933,326,312,637.24/2,239,672.08 - Step 6: Final answer
x = 1,756,206.34
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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.