Finding the Fourth Proportional to 6,943,322.36, 10,409,939.09 and 2,900,966.18
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Solution
The fourth proportional to 6,943,322.36, 10,409,939.09 and 2,900,966.18 is: 4,349,341.66
Step by Step Solution
- Step 1: Write the proportion equation
6,943,322.36 : 10,409,939.09 = 2,900,966.18 : x - Step 2: Convert to fraction form
6,943,322.36/10,409,939.09 = 2,900,966.18/x - Step 3: Cross multiply
6,943,322.36x = 10,409,939.09 × 2,900,966.18 - Step 4: Simplify right side
6,943,322.36x = 30,198,881,169,395.45 - Step 5: Solve for x
x = 30,198,881,169,395.45/6,943,322.36 - Step 6: Final answer
x = 4,349,341.66
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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.