Finding the Fourth Proportional to 3,391,090.99, 4,678,548.08 and 2,101,460.83
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Solution
The fourth proportional to 3,391,090.99, 4,678,548.08 and 2,101,460.83 is: 2,899,298.65
Step by Step Solution
- Step 1: Write the proportion equation
3,391,090.99 : 4,678,548.08 = 2,101,460.83 : x - Step 2: Convert to fraction form
3,391,090.99/4,678,548.08 = 2,101,460.83/x - Step 3: Cross multiply
3,391,090.99x = 4,678,548.08 × 2,101,460.83 - Step 4: Simplify right side
3,391,090.99x = 9,831,785,509,188.03 - Step 5: Solve for x
x = 9,831,785,509,188.03/3,391,090.99 - Step 6: Final answer
x = 2,899,298.65
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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.