Finding the Fourth Proportional to 2,318,822.47, 3,200,008.17 and 1,400,923.99
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Solution
The fourth proportional to 2,318,822.47, 3,200,008.17 and 1,400,923.99 is: 1,933,295.14
Step by Step Solution
- Step 1: Write the proportion equation
2,318,822.47 : 3,200,008.17 = 1,400,923.99 : x - Step 2: Convert to fraction form
2,318,822.47/3,200,008.17 = 1,400,923.99/x - Step 3: Cross multiply
2,318,822.47x = 3,200,008.17 × 1,400,923.99 - Step 4: Simplify right side
2,318,822.47x = 4,482,968,213,549.00 - Step 5: Solve for x
x = 4,482,968,213,549.00/2,318,822.47 - Step 6: Final answer
x = 1,933,295.14
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1.5x scale
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.