Finding the Fourth Proportional to 1,970,671.02, 2,956,448.79 and 622,912.02
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Solution
The fourth proportional to 1,970,671.02, 2,956,448.79 and 622,912.02 is: 934,507.82
Step by Step Solution
- Step 1: Write the proportion equation
1,970,671.02 : 2,956,448.79 = 622,912.02 : x - Step 2: Convert to fraction form
1,970,671.02/2,956,448.79 = 622,912.02/x - Step 3: Cross multiply
1,970,671.02x = 2,956,448.79 × 622,912.02 - Step 4: Simplify right side
1,970,671.02x = 1,841,607,487,805.46 - Step 5: Solve for x
x = 1,841,607,487,805.46/1,970,671.02 - Step 6: Final answer
x = 934,507.82
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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.