Finding the Fourth Proportional to 6,679,485.68, 9,211,993.97 and 5,134,490.46
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Solution
The fourth proportional to 6,679,485.68, 9,211,993.97 and 5,134,490.46 is: 7,081,218.14
Step by Step Solution
- Step 1: Write the proportion equation
6,679,485.68 : 9,211,993.97 = 5,134,490.46 : x - Step 2: Convert to fraction form
6,679,485.68/9,211,993.97 = 5,134,490.46/x - Step 3: Cross multiply
6,679,485.68x = 9,211,993.97 × 5,134,490.46 - Step 4: Simplify right side
6,679,485.68x = 47,298,895,130,870.07 - Step 5: Solve for x
x = 47,298,895,130,870.07/6,679,485.68 - Step 6: Final answer
x = 7,081,218.14
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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.