Finding the Fourth Proportional to 4,797,128.53, 6,620,054.43 and 2,621,671.03
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Solution
The fourth proportional to 4,797,128.53, 6,620,054.43 and 2,621,671.03 is: 3,617,915.34
Step by Step Solution
- Step 1: Write the proportion equation
4,797,128.53 : 6,620,054.43 = 2,621,671.03 : x - Step 2: Convert to fraction form
4,797,128.53/6,620,054.43 = 2,621,671.03/x - Step 3: Cross multiply
4,797,128.53x = 6,620,054.43 × 2,621,671.03 - Step 4: Simplify right side
4,797,128.53x = 17,355,604,916,154.16 - Step 5: Solve for x
x = 17,355,604,916,154.16/4,797,128.53 - Step 6: Final answer
x = 3,617,915.34
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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.