Finding the Fourth Proportional to 2,186,366.13, 3,017,177.33 and 1,219,495.68
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Solution
The fourth proportional to 2,186,366.13, 3,017,177.33 and 1,219,495.68 is: 1,682,899.61
Step by Step Solution
- Step 1: Write the proportion equation
2,186,366.13 : 3,017,177.33 = 1,219,495.68 : x - Step 2: Convert to fraction form
2,186,366.13/3,017,177.33 = 1,219,495.68/x - Step 3: Cross multiply
2,186,366.13x = 3,017,177.33 × 1,219,495.68 - Step 4: Simplify right side
2,186,366.13x = 3,679,434,713,631.46 - Step 5: Solve for x
x = 3,679,434,713,631.46/2,186,366.13 - Step 6: Final answer
x = 1,682,899.61
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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.