Finding the Fourth Proportional to 3,746,746.53, 5,620,226.41 and 1,187,972.93
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Solution
The fourth proportional to 3,746,746.53, 5,620,226.41 and 1,187,972.93 is: 1,781,993.20
Step by Step Solution
- Step 1: Write the proportion equation
3,746,746.53 : 5,620,226.41 = 1,187,972.93 : x - Step 2: Convert to fraction form
3,746,746.53/5,620,226.41 = 1,187,972.93/x - Step 3: Cross multiply
3,746,746.53x = 5,620,226.41 × 1,187,972.93 - Step 4: Simplify right side
3,746,746.53x = 6,676,676,851,086.61 - Step 5: Solve for x
x = 6,676,676,851,086.61/3,746,746.53 - Step 6: Final answer
x = 1,781,993.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.