Finding the Fourth Proportional to 2,567,727.14, 3,543,420.18 and 1,421,782.88
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Solution
The fourth proportional to 2,567,727.14, 3,543,420.18 and 1,421,782.88 is: 1,962,036.42
Step by Step Solution
- Step 1: Write the proportion equation
2,567,727.14 : 3,543,420.18 = 1,421,782.88 : x - Step 2: Convert to fraction form
2,567,727.14/3,543,420.18 = 1,421,782.88/x - Step 3: Cross multiply
2,567,727.14x = 3,543,420.18 × 1,421,782.88 - Step 4: Simplify right side
2,567,727.14x = 5,037,974,157,429.07 - Step 5: Solve for x
x = 5,037,974,157,429.07/2,567,727.14 - Step 6: Final answer
x = 1,962,036.42
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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.