Finding the Fourth Proportional to 1,889,044.48, 2,606,883.36 and 1,029,605.44
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Solution
The fourth proportional to 1,889,044.48, 2,606,883.36 and 1,029,605.44 is: 1,420,856.59
Step by Step Solution
- Step 1: Write the proportion equation
1,889,044.48 : 2,606,883.36 = 1,029,605.44 : x - Step 2: Convert to fraction form
1,889,044.48/2,606,883.36 = 1,029,605.44/x - Step 3: Cross multiply
1,889,044.48x = 2,606,883.36 × 1,029,605.44 - Step 4: Simplify right side
1,889,044.48x = 2,684,061,288,901.48 - Step 5: Solve for x
x = 2,684,061,288,901.48/1,889,044.48 - Step 6: Final answer
x = 1,420,856.59
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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.