Finding the Fourth Proportional to 1,636,165.36, 2,257,881.24 and 957,216.88
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Solution
The fourth proportional to 1,636,165.36, 2,257,881.24 and 957,216.88 is: 1,320,943.52
Step by Step Solution
- Step 1: Write the proportion equation
1,636,165.36 : 2,257,881.24 = 957,216.88 : x - Step 2: Convert to fraction form
1,636,165.36/2,257,881.24 = 957,216.88/x - Step 3: Cross multiply
1,636,165.36x = 2,257,881.24 × 957,216.88 - Step 4: Simplify right side
1,636,165.36x = 2,161,282,035,963.33 - Step 5: Solve for x
x = 2,161,282,035,963.33/1,636,165.36 - Step 6: Final answer
x = 1,320,943.52
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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.