Finding the Fourth Proportional to 1,691,479.32, 2,539,384.16 and 1,453,118.19
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Solution
The fourth proportional to 1,691,479.32, 2,539,384.16 and 1,453,118.19 is: 2,181,537.35
Step by Step Solution
- Step 1: Write the proportion equation
1,691,479.32 : 2,539,384.16 = 1,453,118.19 : x - Step 2: Convert to fraction form
1,691,479.32/2,539,384.16 = 1,453,118.19/x - Step 3: Cross multiply
1,691,479.32x = 2,539,384.16 × 1,453,118.19 - Step 4: Simplify right side
1,691,479.32x = 3,690,025,307,028.28 - Step 5: Solve for x
x = 3,690,025,307,028.28/1,691,479.32 - Step 6: Final answer
x = 2,181,537.35
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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.