Finding the Fourth Proportional to 4,812,712.08, 7,220,675.97 and 1,574,397.42
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Solution
The fourth proportional to 4,812,712.08, 7,220,675.97 and 1,574,397.42 is: 2,362,122.11
Step by Step Solution
- Step 1: Write the proportion equation
4,812,712.08 : 7,220,675.97 = 1,574,397.42 : x - Step 2: Convert to fraction form
4,812,712.08/7,220,675.97 = 1,574,397.42/x - Step 3: Cross multiply
4,812,712.08x = 7,220,675.97 × 1,574,397.42 - Step 4: Simplify right side
4,812,712.08x = 11,368,213,617,824.00 - Step 5: Solve for x
x = 11,368,213,617,824.00/4,812,712.08 - Step 6: Final answer
x = 2,362,122.11
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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.