Finding the Fourth Proportional to 2,239,755.22, 3,090,940.05 and 1,272,926.26
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Solution
The fourth proportional to 2,239,755.22, 3,090,940.05 and 1,272,926.26 is: 1,756,682.48
Step by Step Solution
- Step 1: Write the proportion equation
2,239,755.22 : 3,090,940.05 = 1,272,926.26 : x - Step 2: Convert to fraction form
2,239,755.22/3,090,940.05 = 1,272,926.26/x - Step 3: Cross multiply
2,239,755.22x = 3,090,940.05 × 1,272,926.26 - Step 4: Simplify right side
2,239,755.22x = 3,934,538,757,730.71 - Step 5: Solve for x
x = 3,934,538,757,730.71/2,239,755.22 - Step 6: Final answer
x = 1,756,682.48
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1.5x scale
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.