Finding the Fourth Proportional to 4,890,986.79, 7,336,504.49 and 2,867,807.67
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Solution
The fourth proportional to 4,890,986.79, 7,336,504.49 and 2,867,807.67 is: 4,301,725.75
Step by Step Solution
- Step 1: Write the proportion equation
4,890,986.79 : 7,336,504.49 = 2,867,807.67 : x - Step 2: Convert to fraction form
4,890,986.79/7,336,504.49 = 2,867,807.67/x - Step 3: Cross multiply
4,890,986.79x = 7,336,504.49 × 2,867,807.67 - Step 4: Simplify right side
4,890,986.79x = 21,039,683,833,072.40 - Step 5: Solve for x
x = 21,039,683,833,072.40/4,890,986.79 - Step 6: Final answer
x = 4,301,725.75
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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.