Finding the Fourth Proportional to 2,190,816.59, 3,023,468.76 and 1,223,952.09
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Solution
The fourth proportional to 2,190,816.59, 3,023,468.76 and 1,223,952.09 is: 1,689,133.14
Step by Step Solution
- Step 1: Write the proportion equation
2,190,816.59 : 3,023,468.76 = 1,223,952.09 : x - Step 2: Convert to fraction form
2,190,816.59/3,023,468.76 = 1,223,952.09/x - Step 3: Cross multiply
2,190,816.59x = 3,023,468.76 × 1,223,952.09 - Step 4: Simplify right side
2,190,816.59x = 3,700,580,907,851.71 - Step 5: Solve for x
x = 3,700,580,907,851.71/2,190,816.59 - Step 6: Final answer
x = 1,689,133.14
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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.