Finding the Fourth Proportional to 4,781,630.88, 6,598,653.08 and 2,716,650.09
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Solution
The fourth proportional to 4,781,630.88, 6,598,653.08 and 2,716,650.09 is: 3,748,978.52
Step by Step Solution
- Step 1: Write the proportion equation
4,781,630.88 : 6,598,653.08 = 2,716,650.09 : x - Step 2: Convert to fraction form
4,781,630.88/6,598,653.08 = 2,716,650.09/x - Step 3: Cross multiply
4,781,630.88x = 6,598,653.08 × 2,716,650.09 - Step 4: Simplify right side
4,781,630.88x = 17,926,231,470,077.53 - Step 5: Solve for x
x = 17,926,231,470,077.53/4,781,630.88 - Step 6: Final answer
x = 3,748,978.52
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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.