Finding the Fourth Proportional to 6,187,809.51, 8,539,048.45 and 3,434,335.40
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Solution
The fourth proportional to 6,187,809.51, 8,539,048.45 and 3,434,335.40 is: 4,739,311.44
Step by Step Solution
- Step 1: Write the proportion equation
6,187,809.51 : 8,539,048.45 = 3,434,335.40 : x - Step 2: Convert to fraction form
6,187,809.51/8,539,048.45 = 3,434,335.40/x - Step 3: Cross multiply
6,187,809.51x = 8,539,048.45 × 3,434,335.40 - Step 4: Simplify right side
6,187,809.51x = 29,325,956,399,790.67 - Step 5: Solve for x
x = 29,325,956,399,790.67/6,187,809.51 - Step 6: Final answer
x = 4,739,311.44
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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.