Finding the Fourth Proportional to 6,145,943.08, 8,481,408.42 and 3,429,688.36
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Solution
The fourth proportional to 6,145,943.08, 8,481,408.42 and 3,429,688.36 is: 4,732,973.83
Step by Step Solution
- Step 1: Write the proportion equation
6,145,943.08 : 8,481,408.42 = 3,429,688.36 : x - Step 2: Convert to fraction form
6,145,943.08/8,481,408.42 = 3,429,688.36/x - Step 3: Cross multiply
6,145,943.08x = 8,481,408.42 × 3,429,688.36 - Step 4: Simplify right side
6,145,943.08x = 29,088,587,734,479.99 - Step 5: Solve for x
x = 29,088,587,734,479.99/6,145,943.08 - Step 6: Final answer
x = 4,732,973.83
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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.