Finding the Fourth Proportional to 4,309,964.63, 6,464,979.35 and 1,913,164.91
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Solution
The fourth proportional to 4,309,964.63, 6,464,979.35 and 1,913,164.91 is: 2,869,761.74
Step by Step Solution
- Step 1: Write the proportion equation
4,309,964.63 : 6,464,979.35 = 1,913,164.91 : x - Step 2: Convert to fraction form
4,309,964.63/6,464,979.35 = 1,913,164.91/x - Step 3: Cross multiply
4,309,964.63x = 6,464,979.35 × 1,913,164.91 - Step 4: Simplify right side
4,309,964.63x = 12,368,571,594,403.89 - Step 5: Solve for x
x = 12,368,571,594,403.89/4,309,964.63 - Step 6: Final answer
x = 2,869,761.74
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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.