Finding the Fourth Proportional to 2,475,103.96, 3,415,852.38 and 1,387,358.20
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Solution
The fourth proportional to 2,475,103.96, 3,415,852.38 and 1,387,358.20 is: 1,914,671.42
Step by Step Solution
- Step 1: Write the proportion equation
2,475,103.96 : 3,415,852.38 = 1,387,358.20 : x - Step 2: Convert to fraction form
2,475,103.96/3,415,852.38 = 1,387,358.20/x - Step 3: Cross multiply
2,475,103.96x = 3,415,852.38 × 1,387,358.20 - Step 4: Simplify right side
2,475,103.96x = 4,739,010,809,382.52 - Step 5: Solve for x
x = 4,739,010,809,382.52/2,475,103.96 - Step 6: Final answer
x = 1,914,671.42
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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.