Finding the Fourth Proportional to 2,118,659.63, 3,179,389.12 and 996,816.11
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Solution
The fourth proportional to 2,118,659.63, 3,179,389.12 and 996,816.11 is: 1,495,882.70
Step by Step Solution
- Step 1: Write the proportion equation
2,118,659.63 : 3,179,389.12 = 996,816.11 : x - Step 2: Convert to fraction form
2,118,659.63/3,179,389.12 = 996,816.11/x - Step 3: Cross multiply
2,118,659.63x = 3,179,389.12 × 996,816.11 - Step 4: Simplify right side
2,118,659.63x = 3,169,266,276,385.74 - Step 5: Solve for x
x = 3,169,266,276,385.74/2,118,659.63 - Step 6: Final answer
x = 1,495,882.70
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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.