Finding the Fourth Proportional to 1,729,068.84, 2,386,109.07 and 965,115.72
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Solution
The fourth proportional to 1,729,068.84, 2,386,109.07 and 965,115.72 is: 1,331,856.38
Step by Step Solution
- Step 1: Write the proportion equation
1,729,068.84 : 2,386,109.07 = 965,115.72 : x - Step 2: Convert to fraction form
1,729,068.84/2,386,109.07 = 965,115.72/x - Step 3: Cross multiply
1,729,068.84x = 2,386,109.07 × 965,115.72 - Step 4: Simplify right side
1,729,068.84x = 2,302,871,373,091.58 - Step 5: Solve for x
x = 2,302,871,373,091.58/1,729,068.84 - Step 6: Final answer
x = 1,331,856.38
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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.