Finding the Fourth Proportional to 1,539,854, 2,309,742.12 and 417,893.84
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Solution
The fourth proportional to 1,539,854, 2,309,742.12 and 417,893.84 is: 626,830.21
Step by Step Solution
- Step 1: Write the proportion equation
1,539,854 : 2,309,742.12 = 417,893.84 : x - Step 2: Convert to fraction form
1,539,854/2,309,742.12 = 417,893.84/x - Step 3: Cross multiply
1,539,854x = 2,309,742.12 × 417,893.84 - Step 4: Simplify right side
1,539,854x = 965,227,003,936.54 - Step 5: Solve for x
x = 965,227,003,936.54/1,539,854 - Step 6: Final answer
x = 626,830.21
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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.