Finding the Fourth Proportional to 1,605,415.46, 2,215,447.98 and 880,269.14
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Solution
The fourth proportional to 1,605,415.46, 2,215,447.98 and 880,269.14 is: 1,214,757.51
Step by Step Solution
- Step 1: Write the proportion equation
1,605,415.46 : 2,215,447.98 = 880,269.14 : x - Step 2: Convert to fraction form
1,605,415.46/2,215,447.98 = 880,269.14/x - Step 3: Cross multiply
1,605,415.46x = 2,215,447.98 × 880,269.14 - Step 4: Simplify right side
1,605,415.46x = 1,950,190,488,069.34 - Step 5: Solve for x
x = 1,950,190,488,069.34/1,605,415.46 - Step 6: Final answer
x = 1,214,757.51
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1.5x scale
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.