Finding the Fourth Proportional to 1,558,194.03, 2,150,309.84 and 879,193.71
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Solution
The fourth proportional to 1,558,194.03, 2,150,309.84 and 879,193.71 is: 1,213,288.49
Step by Step Solution
- Step 1: Write the proportion equation
1,558,194.03 : 2,150,309.84 = 879,193.71 : x - Step 2: Convert to fraction form
1,558,194.03/2,150,309.84 = 879,193.71/x - Step 3: Cross multiply
1,558,194.03x = 2,150,309.84 × 879,193.71 - Step 4: Simplify right side
1,558,194.03x = 1,890,538,881,483.14 - Step 5: Solve for x
x = 1,890,538,881,483.14/1,558,194.03 - Step 6: Final answer
x = 1,213,288.49
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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.