Finding the Fourth Proportional to 4,874,128.68, 6,726,507.81 and 2,698,671.87
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Solution
The fourth proportional to 4,874,128.68, 6,726,507.81 and 2,698,671.87 is: 3,724,283.58
Step by Step Solution
- Step 1: Write the proportion equation
4,874,128.68 : 6,726,507.81 = 2,698,671.87 : x - Step 2: Convert to fraction form
4,874,128.68/6,726,507.81 = 2,698,671.87/x - Step 3: Cross multiply
4,874,128.68x = 6,726,507.81 × 2,698,671.87 - Step 4: Simplify right side
4,874,128.68x = 18,152,637,410,182.30 - Step 5: Solve for x
x = 18,152,637,410,182.30/4,874,128.68 - Step 6: Final answer
x = 3,724,283.58
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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.