Finding the Fourth Proportional to 2,262,656.74, 3,122,531.30 and 1,379,657.68
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Solution
The fourth proportional to 2,262,656.74, 3,122,531.30 and 1,379,657.68 is: 1,903,967.23
Step by Step Solution
- Step 1: Write the proportion equation
2,262,656.74 : 3,122,531.30 = 1,379,657.68 : x - Step 2: Convert to fraction form
2,262,656.74/3,122,531.30 = 1,379,657.68/x - Step 3: Cross multiply
2,262,656.74x = 3,122,531.30 × 1,379,657.68 - Step 4: Simplify right side
2,262,656.74x = 4,308,024,289,085.38 - Step 5: Solve for x
x = 4,308,024,289,085.38/2,262,656.74 - Step 6: Final answer
x = 1,903,967.23
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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.