Finding the Fourth Proportional to 2,107,211.41, 2,907,958.98 and 1,140,341.44
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Solution
The fourth proportional to 2,107,211.41, 2,907,958.98 and 1,140,341.44 is: 1,573,675.10
Step by Step Solution
- Step 1: Write the proportion equation
2,107,211.41 : 2,907,958.98 = 1,140,341.44 : x - Step 2: Convert to fraction form
2,107,211.41/2,907,958.98 = 1,140,341.44/x - Step 3: Cross multiply
2,107,211.41x = 2,907,958.98 × 1,140,341.44 - Step 4: Simplify right side
2,107,211.41x = 3,316,066,130,714.13 - Step 5: Solve for x
x = 3,316,066,130,714.13/2,107,211.41 - Step 6: Final answer
x = 1,573,675.10
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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.