Finding the Fourth Proportional to 2,390,857.39, 3,299,354.17 and 1,303,125.60
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Solution
The fourth proportional to 2,390,857.39, 3,299,354.17 and 1,303,125.60 is: 1,798,297.51
Step by Step Solution
- Step 1: Write the proportion equation
2,390,857.39 : 3,299,354.17 = 1,303,125.60 : x - Step 2: Convert to fraction form
2,390,857.39/3,299,354.17 = 1,303,125.60/x - Step 3: Cross multiply
2,390,857.39x = 3,299,354.17 × 1,303,125.60 - Step 4: Simplify right side
2,390,857.39x = 4,299,472,891,508.52 - Step 5: Solve for x
x = 4,299,472,891,508.52/2,390,857.39 - Step 6: Final answer
x = 1,798,297.51
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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.