Finding the Fourth Proportional to 2,585,368.76, 3,567,833.48 and 1,439,473.70
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Solution
The fourth proportional to 2,585,368.76, 3,567,833.48 and 1,439,473.70 is: 1,986,487.40
Step by Step Solution
- Step 1: Write the proportion equation
2,585,368.76 : 3,567,833.48 = 1,439,473.70 : x - Step 2: Convert to fraction form
2,585,368.76/3,567,833.48 = 1,439,473.70/x - Step 3: Cross multiply
2,585,368.76x = 3,567,833.48 × 1,439,473.70 - Step 4: Simplify right side
2,585,368.76x = 5,135,802,460,439.48 - Step 5: Solve for x
x = 5,135,802,460,439.48/2,585,368.76 - Step 6: Final answer
x = 1,986,487.40
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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.