Finding the Fourth Proportional to 1,605,478.08, 2,215,584.72 and 880,392
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Solution
The fourth proportional to 1,605,478.08, 2,215,584.72 and 880,392 is: 1,214,954.65
Step by Step Solution
- Step 1: Write the proportion equation
1,605,478.08 : 2,215,584.72 = 880,392 : x - Step 2: Convert to fraction form
1,605,478.08/2,215,584.72 = 880,392/x - Step 3: Cross multiply
1,605,478.08x = 2,215,584.72 × 880,392 - Step 4: Simplify right side
1,605,478.08x = 1,950,583,062,810.24 - Step 5: Solve for x
x = 1,950,583,062,810.24/1,605,478.08 - Step 6: Final answer
x = 1,214,954.65
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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.