Finding the Fourth Proportional to 1,679,026.36, 2,316,988.92 and 915,063.52
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Solution
The fourth proportional to 1,679,026.36, 2,316,988.92 and 915,063.52 is: 1,262,750.89
Step by Step Solution
- Step 1: Write the proportion equation
1,679,026.36 : 2,316,988.92 = 915,063.52 : x - Step 2: Convert to fraction form
1,679,026.36/2,316,988.92 = 915,063.52/x - Step 3: Cross multiply
1,679,026.36x = 2,316,988.92 × 915,063.52 - Step 4: Simplify right side
1,679,026.36x = 2,120,192,036,936.20 - Step 5: Solve for x
x = 2,120,192,036,936.20/1,679,026.36 - Step 6: Final answer
x = 1,262,750.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.