Finding the Fourth Proportional to 4,213,681.17, 5,814,838.61 and 2,279,899.32
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Solution
The fourth proportional to 4,213,681.17, 5,814,838.61 and 2,279,899.32 is: 3,146,238.66
Step by Step Solution
- Step 1: Write the proportion equation
4,213,681.17 : 5,814,838.61 = 2,279,899.32 : x - Step 2: Convert to fraction form
4,213,681.17/5,814,838.61 = 2,279,899.32/x - Step 3: Cross multiply
4,213,681.17x = 5,814,838.61 × 2,279,899.32 - Step 4: Simplify right side
4,213,681.17x = 13,257,246,592,848.74 - Step 5: Solve for x
x = 13,257,246,592,848.74/4,213,681.17 - Step 6: Final answer
x = 3,146,238.66
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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.