Finding the Fourth Proportional to 5,890,923.09, 8,129,422.98 and 3,312,548.91
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Solution
The fourth proportional to 5,890,923.09, 8,129,422.98 and 3,312,548.91 is: 4,571,288.88
Step by Step Solution
- Step 1: Write the proportion equation
5,890,923.09 : 8,129,422.98 = 3,312,548.91 : x - Step 2: Convert to fraction form
5,890,923.09/8,129,422.98 = 3,312,548.91/x - Step 3: Cross multiply
5,890,923.09x = 8,129,422.98 × 3,312,548.91 - Step 4: Simplify right side
5,890,923.09x = 26,929,111,231,327.95 - Step 5: Solve for x
x = 26,929,111,231,327.95/5,890,923.09 - Step 6: Final answer
x = 4,571,288.88
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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.