Finding the Fourth Proportional to 1,938,219.84, 2,674,768.68 and 1,067,155.80
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Solution
The fourth proportional to 1,938,219.84, 2,674,768.68 and 1,067,155.80 is: 1,472,688.93
Step by Step Solution
- Step 1: Write the proportion equation
1,938,219.84 : 2,674,768.68 = 1,067,155.80 : x - Step 2: Convert to fraction form
1,938,219.84/2,674,768.68 = 1,067,155.80/x - Step 3: Cross multiply
1,938,219.84x = 2,674,768.68 × 1,067,155.80 - Step 4: Simplify right side
1,938,219.84x = 2,854,394,910,520.34 - Step 5: Solve for x
x = 2,854,394,910,520.34/1,938,219.84 - Step 6: Final answer
x = 1,472,688.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.