Finding the Fourth Proportional to 6,803,541.75, 10,205,312.63 and 2,814,453.75
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Solution
The fourth proportional to 6,803,541.75, 10,205,312.63 and 2,814,453.75 is: 4,221,680.63
Step by Step Solution
- Step 1: Write the proportion equation
6,803,541.75 : 10,205,312.63 = 2,814,453.75 : x - Step 2: Convert to fraction form
6,803,541.75/10,205,312.63 = 2,814,453.75/x - Step 3: Cross multiply
6,803,541.75x = 10,205,312.63 × 2,814,453.75 - Step 4: Simplify right side
6,803,541.75x = 28,722,380,387,353.59 - Step 5: Solve for x
x = 28,722,380,387,353.59/6,803,541.75 - Step 6: Final answer
x = 4,221,680.63
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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.