Finding the Fourth Proportional to 6,664,278.06, 9,995,274.01 and 2,114,312.70
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Solution
The fourth proportional to 6,664,278.06, 9,995,274.01 and 2,114,312.70 is: 3,171,106.40
Step by Step Solution
- Step 1: Write the proportion equation
6,664,278.06 : 9,995,274.01 = 2,114,312.70 : x - Step 2: Convert to fraction form
6,664,278.06/9,995,274.01 = 2,114,312.70/x - Step 3: Cross multiply
6,664,278.06x = 9,995,274.01 × 2,114,312.70 - Step 4: Simplify right side
6,664,278.06x = 21,133,134,779,322.93 - Step 5: Solve for x
x = 21,133,134,779,322.93/6,664,278.06 - Step 6: Final answer
x = 3,171,106.40
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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.