Finding the Fourth Proportional to 3,400,942.90, 4,687,831.10 and 2,298,029.99
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Solution
The fourth proportional to 3,400,942.90, 4,687,831.10 and 2,298,029.99 is: 3,167,585.22
Step by Step Solution
- Step 1: Write the proportion equation
3,400,942.90 : 4,687,831.10 = 2,298,029.99 : x - Step 2: Convert to fraction form
3,400,942.90/4,687,831.10 = 2,298,029.99/x - Step 3: Cross multiply
3,400,942.90x = 4,687,831.10 × 2,298,029.99 - Step 4: Simplify right side
3,400,942.90x = 10,772,776,444,364.54 - Step 5: Solve for x
x = 10,772,776,444,364.54/3,400,942.90 - Step 6: Final answer
x = 3,167,585.22
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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.