Finding the Fourth Proportional to 6,442,908.90, 8,890,987.14 and 3,542,277.45
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Solution
The fourth proportional to 6,442,908.90, 8,890,987.14 and 3,542,277.45 is: 4,888,218.00
Step by Step Solution
- Step 1: Write the proportion equation
6,442,908.90 : 8,890,987.14 = 3,542,277.45 : x - Step 2: Convert to fraction form
6,442,908.90/8,890,987.14 = 3,542,277.45/x - Step 3: Cross multiply
6,442,908.90x = 8,890,987.14 × 3,542,277.45 - Step 4: Simplify right side
6,442,908.90x = 31,494,343,254,262.00 - Step 5: Solve for x
x = 31,494,343,254,262.00/6,442,908.90 - Step 6: Final answer
x = 4,888,218.00
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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.