Finding the Fourth Proportional to 7,040,548.53, 9,714,291.75 and 3,984,762.78
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Solution
The fourth proportional to 7,040,548.53, 9,714,291.75 and 3,984,762.78 is: 5,498,030.17
Step by Step Solution
- Step 1: Write the proportion equation
7,040,548.53 : 9,714,291.75 = 3,984,762.78 : x - Step 2: Convert to fraction form
7,040,548.53/9,714,291.75 = 3,984,762.78/x - Step 3: Cross multiply
7,040,548.53x = 9,714,291.75 × 3,984,762.78 - Step 4: Simplify right side
7,040,548.53x = 38,709,148,199,461.06 - Step 5: Solve for x
x = 38,709,148,199,461.06/7,040,548.53 - Step 6: Final answer
x = 5,498,030.17
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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.