Finding the Fourth Proportional to 1,380,797.05, 2,071,509.35 and 421,338.48
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Solution
The fourth proportional to 1,380,797.05, 2,071,509.35 and 421,338.48 is: 632,103.47
Step by Step Solution
- Step 1: Write the proportion equation
1,380,797.05 : 2,071,509.35 = 421,338.48 : x - Step 2: Convert to fraction form
1,380,797.05/2,071,509.35 = 421,338.48/x - Step 3: Cross multiply
1,380,797.05x = 2,071,509.35 × 421,338.48 - Step 4: Simplify right side
1,380,797.05x = 872,806,600,834.79 - Step 5: Solve for x
x = 872,806,600,834.79/1,380,797.05 - Step 6: Final answer
x = 632,103.47
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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.