Finding the Fourth Proportional to 7,874,439.84, 11,810,726.64 and 2,555,655.84
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Solution
The fourth proportional to 7,874,439.84, 11,810,726.64 and 2,555,655.84 is: 3,833,180.92
Step by Step Solution
- Step 1: Write the proportion equation
7,874,439.84 : 11,810,726.64 = 2,555,655.84 : x - Step 2: Convert to fraction form
7,874,439.84/11,810,726.64 = 2,555,655.84/x - Step 3: Cross multiply
7,874,439.84x = 11,810,726.64 × 2,555,655.84 - Step 4: Simplify right side
7,874,439.84x = 30,184,152,512,159.58 - Step 5: Solve for x
x = 30,184,152,512,159.58/7,874,439.84 - Step 6: Final answer
x = 3,833,180.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.