Finding the Fourth Proportional to 4,791,789.68, 6,612,619.62 and 2,616,326.10
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Solution
The fourth proportional to 4,791,789.68, 6,612,619.62 and 2,616,326.10 is: 3,610,502.65
Step by Step Solution
- Step 1: Write the proportion equation
4,791,789.68 : 6,612,619.62 = 2,616,326.10 : x - Step 2: Convert to fraction form
4,791,789.68/6,612,619.62 = 2,616,326.10/x - Step 3: Cross multiply
4,791,789.68x = 6,612,619.62 × 2,616,326.10 - Step 4: Simplify right side
4,791,789.68x = 17,300,769,301,178.08 - Step 5: Solve for x
x = 17,300,769,301,178.08/4,791,789.68 - Step 6: Final answer
x = 3,610,502.65
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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.