Finding the Fourth Proportional to 1,639,564.71, 2,459,420.87 and 502,243.91
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Solution
The fourth proportional to 1,639,564.71, 2,459,420.87 and 502,243.91 is: 753,388.47
Step by Step Solution
- Step 1: Write the proportion equation
1,639,564.71 : 2,459,420.87 = 502,243.91 : x - Step 2: Convert to fraction form
1,639,564.71/2,459,420.87 = 502,243.91/x - Step 3: Cross multiply
1,639,564.71x = 2,459,420.87 × 502,243.91 - Step 4: Simplify right side
1,639,564.71x = 1,235,229,154,084.40 - Step 5: Solve for x
x = 1,235,229,154,084.40/1,639,564.71 - Step 6: Final answer
x = 753,388.47
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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.