Finding the Fourth Proportional to 1,375,376.70, 2,058,399.45 and 1,207,415.10
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Solution
The fourth proportional to 1,375,376.70, 2,058,399.45 and 1,207,415.10 is: 1,807,026.82
Step by Step Solution
- Step 1: Write the proportion equation
1,375,376.70 : 2,058,399.45 = 1,207,415.10 : x - Step 2: Convert to fraction form
1,375,376.70/2,058,399.45 = 1,207,415.10/x - Step 3: Cross multiply
1,375,376.70x = 2,058,399.45 × 1,207,415.10 - Step 4: Simplify right side
1,375,376.70x = 2,485,342,577,761.70 - Step 5: Solve for x
x = 2,485,342,577,761.70/1,375,376.70 - Step 6: Final answer
x = 1,807,026.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.