Finding the Fourth Proportional to 3,711,214.54, 5,121,389.46 and 2,183,420.08
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Solution
The fourth proportional to 3,711,214.54, 5,121,389.46 and 2,183,420.08 is: 3,013,068.76
Step by Step Solution
- Step 1: Write the proportion equation
3,711,214.54 : 5,121,389.46 = 2,183,420.08 : x - Step 2: Convert to fraction form
3,711,214.54/5,121,389.46 = 2,183,420.08/x - Step 3: Cross multiply
3,711,214.54x = 5,121,389.46 × 2,183,420.08 - Step 4: Simplify right side
3,711,214.54x = 11,182,144,584,464.36 - Step 5: Solve for x
x = 11,182,144,584,464.36/3,711,214.54 - Step 6: Final answer
x = 3,013,068.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.