Finding the Fourth Proportional to 6,447,768.42, 9,671,302.68 and 1,959,694.50
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Solution
The fourth proportional to 6,447,768.42, 9,671,302.68 and 1,959,694.50 is: 2,939,435.39
Step by Step Solution
- Step 1: Write the proportion equation
6,447,768.42 : 9,671,302.68 = 1,959,694.50 : x - Step 2: Convert to fraction form
6,447,768.42/9,671,302.68 = 1,959,694.50/x - Step 3: Cross multiply
6,447,768.42x = 9,671,302.68 × 1,959,694.50 - Step 4: Simplify right side
6,447,768.42x = 18,952,798,669,831.26 - Step 5: Solve for x
x = 18,952,798,669,831.26/6,447,768.42 - Step 6: Final answer
x = 2,939,435.39
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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.