Finding the Fourth Proportional to 1,347,887.83, 1,856,923.99 and 939,248.10
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Solution
The fourth proportional to 1,347,887.83, 1,856,923.99 and 939,248.10 is: 1,293,959.55
Step by Step Solution
- Step 1: Write the proportion equation
1,347,887.83 : 1,856,923.99 = 939,248.10 : x - Step 2: Convert to fraction form
1,347,887.83/1,856,923.99 = 939,248.10/x - Step 3: Cross multiply
1,347,887.83x = 1,856,923.99 × 939,248.10 - Step 4: Simplify right side
1,347,887.83x = 1,744,112,329,451.92 - Step 5: Solve for x
x = 1,744,112,329,451.92/1,347,887.83 - Step 6: Final answer
x = 1,293,959.55
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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.