Finding the Fourth Proportional to 1,785,691.18, 2,464,271.91 and 969,910.79
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Solution
The fourth proportional to 1,785,691.18, 2,464,271.91 and 969,910.79 is: 1,338,486.71
Step by Step Solution
- Step 1: Write the proportion equation
1,785,691.18 : 2,464,271.91 = 969,910.79 : x - Step 2: Convert to fraction form
1,785,691.18/2,464,271.91 = 969,910.79/x - Step 3: Cross multiply
1,785,691.18x = 2,464,271.91 × 969,910.79 - Step 4: Simplify right side
1,785,691.18x = 2,390,123,916,543.08 - Step 5: Solve for x
x = 2,390,123,916,543.08/1,785,691.18 - Step 6: Final answer
x = 1,338,486.71
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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.