Finding the Fourth Proportional to 6,430,903.35, 8,874,320.71 and 3,817,519.14
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Solution
The fourth proportional to 6,430,903.35, 8,874,320.71 and 3,817,519.14 is: 5,267,982.94
Step by Step Solution
- Step 1: Write the proportion equation
6,430,903.35 : 8,874,320.71 = 3,817,519.14 : x - Step 2: Convert to fraction form
6,430,903.35/8,874,320.71 = 3,817,519.14/x - Step 3: Cross multiply
6,430,903.35x = 8,874,320.71 × 3,817,519.14 - Step 4: Simplify right side
6,430,903.35x = 33,877,889,164,923.39 - Step 5: Solve for x
x = 33,877,889,164,923.39/6,430,903.35 - Step 6: Final answer
x = 5,267,982.94
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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.