Finding the Fourth Proportional to 3,289,685.99, 4,535,302.12 and 2,308,291.61
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Solution
The fourth proportional to 3,289,685.99, 4,535,302.12 and 2,308,291.61 is: 3,182,309.76
Step by Step Solution
- Step 1: Write the proportion equation
3,289,685.99 : 4,535,302.12 = 2,308,291.61 : x - Step 2: Convert to fraction form
3,289,685.99/4,535,302.12 = 2,308,291.61/x - Step 3: Cross multiply
3,289,685.99x = 4,535,302.12 × 2,308,291.61 - Step 4: Simplify right side
3,289,685.99x = 10,468,799,803,963.97 - Step 5: Solve for x
x = 10,468,799,803,963.97/3,289,685.99 - Step 6: Final answer
x = 3,182,309.76
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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.