Finding the Fourth Proportional to 2,122,846.87, 2,929,528.88 and 1,155,976.87
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Solution
The fourth proportional to 2,122,846.87, 2,929,528.88 and 1,155,976.87 is: 1,595,248.19
Step by Step Solution
- Step 1: Write the proportion equation
2,122,846.87 : 2,929,528.88 = 1,155,976.87 : x - Step 2: Convert to fraction form
2,122,846.87/2,929,528.88 = 1,155,976.87/x - Step 3: Cross multiply
2,122,846.87x = 2,929,528.88 × 1,155,976.87 - Step 4: Simplify right side
2,122,846.87x = 3,386,467,625,277.01 - Step 5: Solve for x
x = 3,386,467,625,277.01/2,122,846.87 - Step 6: Final answer
x = 1,595,248.19
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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.