Finding the Fourth Proportional to 2,155,295.93, 2,974,507.94 and 1,237,645.31
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Solution
The fourth proportional to 2,155,295.93, 2,974,507.94 and 1,237,645.31 is: 1,708,065.12
Step by Step Solution
- Step 1: Write the proportion equation
2,155,295.93 : 2,974,507.94 = 1,237,645.31 : x - Step 2: Convert to fraction form
2,155,295.93/2,974,507.94 = 1,237,645.31/x - Step 3: Cross multiply
2,155,295.93x = 2,974,507.94 × 1,237,645.31 - Step 4: Simplify right side
2,155,295.93x = 3,681,385,795,310.54 - Step 5: Solve for x
x = 3,681,385,795,310.54/2,155,295.93 - Step 6: Final answer
x = 1,708,065.12
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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.