Finding the Fourth Proportional to 1,578,264.84, 2,177,489.22 and 965,779.08
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Solution
The fourth proportional to 1,578,264.84, 2,177,489.22 and 965,779.08 is: 1,332,459.22
Step by Step Solution
- Step 1: Write the proportion equation
1,578,264.84 : 2,177,489.22 = 965,779.08 : x - Step 2: Convert to fraction form
1,578,264.84/2,177,489.22 = 965,779.08/x - Step 3: Cross multiply
1,578,264.84x = 2,177,489.22 × 965,779.08 - Step 4: Simplify right side
1,578,264.84x = 2,102,973,535,601.52 - Step 5: Solve for x
x = 2,102,973,535,601.52/1,578,264.84 - Step 6: Final answer
x = 1,332,459.22
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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.