Finding the Fourth Proportional to 6,145,740.91, 8,481,124.15 and 3,392,430.13
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Solution
The fourth proportional to 6,145,740.91, 8,481,124.15 and 3,392,430.13 is: 4,681,554.51
Step by Step Solution
- Step 1: Write the proportion equation
6,145,740.91 : 8,481,124.15 = 3,392,430.13 : x - Step 2: Convert to fraction form
6,145,740.91/8,481,124.15 = 3,392,430.13/x - Step 3: Cross multiply
6,145,740.91x = 8,481,124.15 × 3,392,430.13 - Step 4: Simplify right side
6,145,740.91x = 28,771,621,085,768.24 - Step 5: Solve for x
x = 28,771,621,085,768.24/6,145,740.91 - Step 6: Final answer
x = 4,681,554.51
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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.