Finding the Fourth Proportional to 2,579,302.16, 3,559,154.36 and 1,491,409.12
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Solution
The fourth proportional to 2,579,302.16, 3,559,154.36 and 1,491,409.12 is: 2,057,981.17
Step by Step Solution
- Step 1: Write the proportion equation
2,579,302.16 : 3,559,154.36 = 1,491,409.12 : x - Step 2: Convert to fraction form
2,579,302.16/3,559,154.36 = 1,491,409.12/x - Step 3: Cross multiply
2,579,302.16x = 3,559,154.36 × 1,491,409.12 - Step 4: Simplify right side
2,579,302.16x = 5,308,155,271,991.76 - Step 5: Solve for x
x = 5,308,155,271,991.76/2,579,302.16 - Step 6: Final answer
x = 2,057,981.17
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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.