Finding the Fourth Proportional to 1,972,448.10, 2,958,672.15 and 1,025,695.80
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Solution
The fourth proportional to 1,972,448.10, 2,958,672.15 and 1,025,695.80 is: 1,538,543.70
Step by Step Solution
- Step 1: Write the proportion equation
1,972,448.10 : 2,958,672.15 = 1,025,695.80 : x - Step 2: Convert to fraction form
1,972,448.10/2,958,672.15 = 1,025,695.80/x - Step 3: Cross multiply
1,972,448.10x = 2,958,672.15 × 1,025,695.80 - Step 4: Simplify right side
1,972,448.10x = 3,034,697,597,831.97 - Step 5: Solve for x
x = 3,034,697,597,831.97/1,972,448.10 - Step 6: Final answer
x = 1,538,543.70
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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.