Finding the Fourth Proportional to 5,326,435.68, 7,350,514.56 and 2,879,041.68
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Solution
The fourth proportional to 5,326,435.68, 7,350,514.56 and 2,879,041.68 is: 3,973,095.53
Step by Step Solution
- Step 1: Write the proportion equation
5,326,435.68 : 7,350,514.56 = 2,879,041.68 : x - Step 2: Convert to fraction form
5,326,435.68/7,350,514.56 = 2,879,041.68/x - Step 3: Cross multiply
5,326,435.68x = 7,350,514.56 × 2,879,041.68 - Step 4: Simplify right side
5,326,435.68x = 21,162,437,787,686.86 - Step 5: Solve for x
x = 21,162,437,787,686.86/5,326,435.68 - Step 6: Final answer
x = 3,973,095.53
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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.