Finding the Fourth Proportional to 2,983,681.53, 4,475,489.36 and 1,785,938.18
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Solution
The fourth proportional to 2,983,681.53, 4,475,489.36 and 1,785,938.18 is: 2,678,887.55
Step by Step Solution
- Step 1: Write the proportion equation
2,983,681.53 : 4,475,489.36 = 1,785,938.18 : x - Step 2: Convert to fraction form
2,983,681.53/4,475,489.36 = 1,785,938.18/x - Step 3: Cross multiply
2,983,681.53x = 4,475,489.36 × 1,785,938.18 - Step 4: Simplify right side
2,983,681.53x = 7,992,947,290,900.63 - Step 5: Solve for x
x = 7,992,947,290,900.63/2,983,681.53 - Step 6: Final answer
x = 2,678,887.55
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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.