Finding the Fourth Proportional to 4,344,921.60, 6,518,937.60 and 1,821,350.40
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Solution
The fourth proportional to 4,344,921.60, 6,518,937.60 and 1,821,350.40 is: 2,732,677.53
Step by Step Solution
- Step 1: Write the proportion equation
4,344,921.60 : 6,518,937.60 = 1,821,350.40 : x - Step 2: Convert to fraction form
4,344,921.60/6,518,937.60 = 1,821,350.40/x - Step 3: Cross multiply
4,344,921.60x = 6,518,937.60 × 1,821,350.40 - Step 4: Simplify right side
4,344,921.60x = 11,873,269,605,335.04 - Step 5: Solve for x
x = 11,873,269,605,335.04/4,344,921.60 - Step 6: Final answer
x = 2,732,677.53
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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.