Finding the Fourth Proportional to 4,666,363.20, 6,998,680.80 and 1,299,873.60
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Solution
The fourth proportional to 4,666,363.20, 6,998,680.80 and 1,299,873.60 is: 1,949,569.72
Step by Step Solution
- Step 1: Write the proportion equation
4,666,363.20 : 6,998,680.80 = 1,299,873.60 : x - Step 2: Convert to fraction form
4,666,363.20/6,998,680.80 = 1,299,873.60/x - Step 3: Cross multiply
4,666,363.20x = 6,998,680.80 × 1,299,873.60 - Step 4: Simplify right side
4,666,363.20x = 9,097,400,406,746.88 - Step 5: Solve for x
x = 9,097,400,406,746.88/4,666,363.20 - Step 6: Final answer
x = 1,949,569.72
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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.