Finding the Fourth Proportional to 4,781,622.88, 6,598,642.08 and 2,716,642.09
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Solution
The fourth proportional to 4,781,622.88, 6,598,642.08 and 2,716,642.09 is: 3,748,967.51
Step by Step Solution
- Step 1: Write the proportion equation
4,781,622.88 : 6,598,642.08 = 2,716,642.09 : x - Step 2: Convert to fraction form
4,781,622.88/6,598,642.08 = 2,716,642.09/x - Step 3: Cross multiply
4,781,622.88x = 6,598,642.08 × 2,716,642.09 - Step 4: Simplify right side
4,781,622.88x = 17,926,148,811,373.14 - Step 5: Solve for x
x = 17,926,148,811,373.14/4,781,622.88 - Step 6: Final answer
x = 3,748,967.51
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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.