Finding the Fourth Proportional to 2,297,403.86, 3,170,714.58 and 1,317,725.06
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Solution
The fourth proportional to 2,297,403.86, 3,170,714.58 and 1,317,725.06 is: 1,818,631.08
Step by Step Solution
- Step 1: Write the proportion equation
2,297,403.86 : 3,170,714.58 = 1,317,725.06 : x - Step 2: Convert to fraction form
2,297,403.86/3,170,714.58 = 1,317,725.06/x - Step 3: Cross multiply
2,297,403.86x = 3,170,714.58 × 1,317,725.06 - Step 4: Simplify right side
2,297,403.86x = 4,178,130,044,319.80 - Step 5: Solve for x
x = 4,178,130,044,319.80/2,297,403.86 - Step 6: Final answer
x = 1,818,631.08
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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.