Finding the Fourth Proportional to 6,518,579.60, 9,781,368.60 and 2,732,445.20
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Solution
The fourth proportional to 6,518,579.60, 9,781,368.60 and 2,732,445.20 is: 4,100,134.59
Step by Step Solution
- Step 1: Write the proportion equation
6,518,579.60 : 9,781,368.60 = 2,732,445.20 : x - Step 2: Convert to fraction form
6,518,579.60/9,781,368.60 = 2,732,445.20/x - Step 3: Cross multiply
6,518,579.60x = 9,781,368.60 × 2,732,445.20 - Step 4: Simplify right side
6,518,579.60x = 26,727,053,680,500.72 - Step 5: Solve for x
x = 26,727,053,680,500.72/6,518,579.60 - Step 6: Final answer
x = 4,100,134.59
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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.