Finding the Fourth Proportional to 3,437,895.32, 4,744,374.56 and 1,889,253.28
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Solution
The fourth proportional to 3,437,895.32, 4,744,374.56 and 1,889,253.28 is: 2,607,212.95
Step by Step Solution
- Step 1: Write the proportion equation
3,437,895.32 : 4,744,374.56 = 1,889,253.28 : x - Step 2: Convert to fraction form
3,437,895.32/4,744,374.56 = 1,889,253.28/x - Step 3: Cross multiply
3,437,895.32x = 4,744,374.56 × 1,889,253.28 - Step 4: Simplify right side
3,437,895.32x = 8,963,325,199,028.56 - Step 5: Solve for x
x = 8,963,325,199,028.56/3,437,895.32 - Step 6: Final answer
x = 2,607,212.95
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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.