Finding the Fourth Proportional to 1,601,420.09, 2,209,959.72 and 876,267.81
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Solution
The fourth proportional to 1,601,420.09, 2,209,959.72 and 876,267.81 is: 1,209,249.58
Step by Step Solution
- Step 1: Write the proportion equation
1,601,420.09 : 2,209,959.72 = 876,267.81 : x - Step 2: Convert to fraction form
1,601,420.09/2,209,959.72 = 876,267.81/x - Step 3: Cross multiply
1,601,420.09x = 2,209,959.72 × 876,267.81 - Step 4: Simplify right side
1,601,420.09x = 1,936,516,564,032.61 - Step 5: Solve for x
x = 1,936,516,564,032.61/1,601,420.09 - Step 6: Final answer
x = 1,209,249.58
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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.