Finding the Fourth Proportional to 4,345,728.30, 6,516,000.45 and 2,664,038.70
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Solution
The fourth proportional to 4,345,728.30, 6,516,000.45 and 2,664,038.70 is: 3,994,469.09
Step by Step Solution
- Step 1: Write the proportion equation
4,345,728.30 : 6,516,000.45 = 2,664,038.70 : x - Step 2: Convert to fraction form
4,345,728.30/6,516,000.45 = 2,664,038.70/x - Step 3: Cross multiply
4,345,728.30x = 6,516,000.45 × 2,664,038.70 - Step 4: Simplify right side
4,345,728.30x = 17,358,877,368,017.42 - Step 5: Solve for x
x = 17,358,877,368,017.42/4,345,728.30 - Step 6: Final answer
x = 3,994,469.09
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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.