Finding the Fourth Proportional to 1,812,977.60, 2,719,776.22 and 747,437.18
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Solution
The fourth proportional to 1,812,977.60, 2,719,776.22 and 747,437.18 is: 1,121,283.49
Step by Step Solution
- Step 1: Write the proportion equation
1,812,977.60 : 2,719,776.22 = 747,437.18 : x - Step 2: Convert to fraction form
1,812,977.60/2,719,776.22 = 747,437.18/x - Step 3: Cross multiply
1,812,977.60x = 2,719,776.22 × 747,437.18 - Step 4: Simplify right side
1,812,977.60x = 2,032,861,852,640.39 - Step 5: Solve for x
x = 2,032,861,852,640.39/1,812,977.60 - Step 6: Final answer
x = 1,121,283.49
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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.