Finding the Fourth Proportional to 2,680,823.60, 3,698,303.64 and 2,375,211.68
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Solution
The fourth proportional to 2,680,823.60, 3,698,303.64 and 2,375,211.68 is: 3,276,699.74
Step by Step Solution
- Step 1: Write the proportion equation
2,680,823.60 : 3,698,303.64 = 2,375,211.68 : x - Step 2: Convert to fraction form
2,680,823.60/3,698,303.64 = 2,375,211.68/x - Step 3: Cross multiply
2,680,823.60x = 3,698,303.64 × 2,375,211.68 - Step 4: Simplify right side
2,680,823.60x = 8,784,254,001,914.52 - Step 5: Solve for x
x = 8,784,254,001,914.52/2,680,823.60 - Step 6: Final answer
x = 3,276,699.74
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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.