Finding the Fourth Proportional to 2,390,679.69, 3,299,053.56 and 1,302,929.67
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Solution
The fourth proportional to 2,390,679.69, 3,299,053.56 and 1,302,929.67 is: 1,797,996.94
Step by Step Solution
- Step 1: Write the proportion equation
2,390,679.69 : 3,299,053.56 = 1,302,929.67 : x - Step 2: Convert to fraction form
2,390,679.69/3,299,053.56 = 1,302,929.67/x - Step 3: Cross multiply
2,390,679.69x = 3,299,053.56 × 1,302,929.67 - Step 4: Simplify right side
2,390,679.69x = 4,298,434,766,243.13 - Step 5: Solve for x
x = 4,298,434,766,243.13/2,390,679.69 - Step 6: Final answer
x = 1,797,996.94
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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.