Finding the Fourth Proportional to 5,157,424.91, 7,736,394.44 and 1,962,798.68
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Solution
The fourth proportional to 5,157,424.91, 7,736,394.44 and 1,962,798.68 is: 2,944,295.86
Step by Step Solution
- Step 1: Write the proportion equation
5,157,424.91 : 7,736,394.44 = 1,962,798.68 : x - Step 2: Convert to fraction form
5,157,424.91/7,736,394.44 = 1,962,798.68/x - Step 3: Cross multiply
5,157,424.91x = 7,736,394.44 × 1,962,798.68 - Step 4: Simplify right side
5,157,424.91x = 15,184,984,819,039.32 - Step 5: Solve for x
x = 15,184,984,819,039.32/5,157,424.91 - Step 6: Final answer
x = 2,944,295.86
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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.