Finding the Fourth Proportional to 3,485,974.78, 4,810,762.02 and 1,937,301.74
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Solution
The fourth proportional to 3,485,974.78, 4,810,762.02 and 1,937,301.74 is: 2,673,541.32
Step by Step Solution
- Step 1: Write the proportion equation
3,485,974.78 : 4,810,762.02 = 1,937,301.74 : x - Step 2: Convert to fraction form
3,485,974.78/4,810,762.02 = 1,937,301.74/x - Step 3: Cross multiply
3,485,974.78x = 4,810,762.02 × 1,937,301.74 - Step 4: Simplify right side
3,485,974.78x = 9,319,897,618,153.25 - Step 5: Solve for x
x = 9,319,897,618,153.25/3,485,974.78 - Step 6: Final answer
x = 2,673,541.32
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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.