Finding the Fourth Proportional to 1,348,612.21, 2,023,053.62 and 389,091.58
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Solution
The fourth proportional to 1,348,612.21, 2,023,053.62 and 389,091.58 is: 583,676.41
Step by Step Solution
- Step 1: Write the proportion equation
1,348,612.21 : 2,023,053.62 = 389,091.58 : x - Step 2: Convert to fraction form
1,348,612.21/2,023,053.62 = 389,091.58/x - Step 3: Cross multiply
1,348,612.21x = 2,023,053.62 × 389,091.58 - Step 4: Simplify right side
1,348,612.21x = 787,153,129,430.52 - Step 5: Solve for x
x = 787,153,129,430.52/1,348,612.21 - Step 6: Final answer
x = 583,676.41
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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.