Finding the Fourth Proportional to 3,216,047.64, 4,438,154.58 and 1,765,837.02
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Solution
The fourth proportional to 3,216,047.64, 4,438,154.58 and 1,765,837.02 is: 2,436,859.94
Step by Step Solution
- Step 1: Write the proportion equation
3,216,047.64 : 4,438,154.58 = 1,765,837.02 : x - Step 2: Convert to fraction form
3,216,047.64/4,438,154.58 = 1,765,837.02/x - Step 3: Cross multiply
3,216,047.64x = 4,438,154.58 × 1,765,837.02 - Step 4: Simplify right side
3,216,047.64x = 7,837,057,657,846.55 - Step 5: Solve for x
x = 7,837,057,657,846.55/3,216,047.64 - Step 6: Final answer
x = 2,436,859.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.