Finding the Fourth Proportional to 4,745,355.30, 6,548,509.40 and 2,569,880.79
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Solution
The fourth proportional to 4,745,355.30, 6,548,509.40 and 2,569,880.79 is: 3,546,391.67
Step by Step Solution
- Step 1: Write the proportion equation
4,745,355.30 : 6,548,509.40 = 2,569,880.79 : x - Step 2: Convert to fraction form
4,745,355.30/6,548,509.40 = 2,569,880.79/x - Step 3: Cross multiply
4,745,355.30x = 6,548,509.40 × 2,569,880.79 - Step 4: Simplify right side
4,745,355.30x = 16,828,888,497,345.02 - Step 5: Solve for x
x = 16,828,888,497,345.02/4,745,355.30 - Step 6: Final answer
x = 3,546,391.67
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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.