Finding the Fourth Proportional to 2,129,422.52, 3,194,642.16 and 709,490.84
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Solution
The fourth proportional to 2,129,422.52, 3,194,642.16 and 709,490.84 is: 1,064,405.64
Step by Step Solution
- Step 1: Write the proportion equation
2,129,422.52 : 3,194,642.16 = 709,490.84 : x - Step 2: Convert to fraction form
2,129,422.52/3,194,642.16 = 709,490.84/x - Step 3: Cross multiply
2,129,422.52x = 3,194,642.16 × 709,490.84 - Step 4: Simplify right side
2,129,422.52x = 2,266,569,349,597.81 - Step 5: Solve for x
x = 2,266,569,349,597.81/2,129,422.52 - Step 6: Final answer
x = 1,064,405.64
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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.