Finding the Fourth Proportional to 4,326,316.74, 6,488,979.39 and 1,131,751.26
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Solution
The fourth proportional to 4,326,316.74, 6,488,979.39 and 1,131,751.26 is: 1,697,497.21
Step by Step Solution
- Step 1: Write the proportion equation
4,326,316.74 : 6,488,979.39 = 1,131,751.26 : x - Step 2: Convert to fraction form
4,326,316.74/6,488,979.39 = 1,131,751.26/x - Step 3: Cross multiply
4,326,316.74x = 6,488,979.39 × 1,131,751.26 - Step 4: Simplify right side
4,326,316.74x = 7,343,910,600,746.53 - Step 5: Solve for x
x = 7,343,910,600,746.53/4,326,316.74 - Step 6: Final answer
x = 1,697,497.21
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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.