Finding the Fourth Proportional to 1,605,165.63, 2,215,267.97 and 880,153.47
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Solution
The fourth proportional to 1,605,165.63, 2,215,267.97 and 880,153.47 is: 1,214,688.23
Step by Step Solution
- Step 1: Write the proportion equation
1,605,165.63 : 2,215,267.97 = 880,153.47 : x - Step 2: Convert to fraction form
1,605,165.63/2,215,267.97 = 880,153.47/x - Step 3: Cross multiply
1,605,165.63x = 2,215,267.97 × 880,153.47 - Step 4: Simplify right side
1,605,165.63x = 1,949,775,798,153.78 - Step 5: Solve for x
x = 1,949,775,798,153.78/1,605,165.63 - Step 6: Final answer
x = 1,214,688.23
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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.