Finding the Fourth Proportional to 5,346,952.36, 7,378,796.25 and 2,899,562.76
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Solution
The fourth proportional to 5,346,952.36, 7,378,796.25 and 2,899,562.76 is: 4,001,397.69
Step by Step Solution
- Step 1: Write the proportion equation
5,346,952.36 : 7,378,796.25 = 2,899,562.76 : x - Step 2: Convert to fraction form
5,346,952.36/7,378,796.25 = 2,899,562.76/x - Step 3: Cross multiply
5,346,952.36x = 7,378,796.25 × 2,899,562.76 - Step 4: Simplify right side
5,346,952.36x = 21,395,282,820,127.65 - Step 5: Solve for x
x = 21,395,282,820,127.65/5,346,952.36 - Step 6: Final answer
x = 4,001,397.69
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1.5x scale
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.