Finding the Fourth Proportional to 1,949,649.60, 2,920,537.80 and 1,107,217.20
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Solution
The fourth proportional to 1,949,649.60, 2,920,537.80 and 1,107,217.20 is: 1,658,590.18
Step by Step Solution
- Step 1: Write the proportion equation
1,949,649.60 : 2,920,537.80 = 1,107,217.20 : x - Step 2: Convert to fraction form
1,949,649.60/2,920,537.80 = 1,107,217.20/x - Step 3: Cross multiply
1,949,649.60x = 2,920,537.80 × 1,107,217.20 - Step 4: Simplify right side
1,949,649.60x = 3,233,669,685,410.16 - Step 5: Solve for x
x = 3,233,669,685,410.16/1,949,649.60 - Step 6: Final answer
x = 1,658,590.18
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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.