Finding the Fourth Proportional to 1,631,378.31, 2,447,316.41 and 832,223.81
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Solution
The fourth proportional to 1,631,378.31, 2,447,316.41 and 832,223.81 is: 1,248,462.70
Step by Step Solution
- Step 1: Write the proportion equation
1,631,378.31 : 2,447,316.41 = 832,223.81 : x - Step 2: Convert to fraction form
1,631,378.31/2,447,316.41 = 832,223.81/x - Step 3: Cross multiply
1,631,378.31x = 2,447,316.41 × 832,223.81 - Step 4: Simplify right side
1,631,378.31x = 2,036,714,970,608.02 - Step 5: Solve for x
x = 2,036,714,970,608.02/1,631,378.31 - Step 6: Final answer
x = 1,248,462.70
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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.