Finding the Fourth Proportional to 1,426,302.19, 1,968,207.82 and 781,676.65
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Solution
The fourth proportional to 1,426,302.19, 1,968,207.82 and 781,676.65 is: 1,078,664.89
Step by Step Solution
- Step 1: Write the proportion equation
1,426,302.19 : 1,968,207.82 = 781,676.65 : x - Step 2: Convert to fraction form
1,426,302.19/1,968,207.82 = 781,676.65/x - Step 3: Cross multiply
1,426,302.19x = 1,968,207.82 × 781,676.65 - Step 4: Simplify right side
1,426,302.19x = 1,538,502,095,241.40 - Step 5: Solve for x
x = 1,538,502,095,241.40/1,426,302.19 - Step 6: Final answer
x = 1,078,664.89
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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.