Finding the Fourth Proportional to 1,638,028.74, 2,261,872.98 and 1,027,204.50
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Solution
The fourth proportional to 1,638,028.74, 2,261,872.98 and 1,027,204.50 is: 1,418,415.96
Step by Step Solution
- Step 1: Write the proportion equation
1,638,028.74 : 2,261,872.98 = 1,027,204.50 : x - Step 2: Convert to fraction form
1,638,028.74/2,261,872.98 = 1,027,204.50/x - Step 3: Cross multiply
1,638,028.74x = 2,261,872.98 × 1,027,204.50 - Step 4: Simplify right side
1,638,028.74x = 2,323,406,103,484.41 - Step 5: Solve for x
x = 2,323,406,103,484.41/1,638,028.74 - Step 6: Final answer
x = 1,418,415.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.