Finding the Fourth Proportional to 4,338,215.20, 6,507,345.88 and 1,305,560.24
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Solution
The fourth proportional to 4,338,215.20, 6,507,345.88 and 1,305,560.24 is: 1,958,347.31
Step by Step Solution
- Step 1: Write the proportion equation
4,338,215.20 : 6,507,345.88 = 1,305,560.24 : x - Step 2: Convert to fraction form
4,338,215.20/6,507,345.88 = 1,305,560.24/x - Step 3: Cross multiply
4,338,215.20x = 6,507,345.88 × 1,305,560.24 - Step 4: Simplify right side
4,338,215.20x = 8,495,732,048,855.81 - Step 5: Solve for x
x = 8,495,732,048,855.81/4,338,215.20 - Step 6: Final answer
x = 1,958,347.31
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1.5x scale
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.