Finding the Fourth Proportional to 2,235,657.70, 3,353,486.55 and 1,115,913.70
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Solution
The fourth proportional to 2,235,657.70, 3,353,486.55 and 1,115,913.70 is: 1,673,870.55
Step by Step Solution
- Step 1: Write the proportion equation
2,235,657.70 : 3,353,486.55 = 1,115,913.70 : x - Step 2: Convert to fraction form
2,235,657.70/3,353,486.55 = 1,115,913.70/x - Step 3: Cross multiply
2,235,657.70x = 3,353,486.55 × 1,115,913.70 - Step 4: Simplify right side
2,235,657.70x = 3,742,201,583,910.74 - Step 5: Solve for x
x = 3,742,201,583,910.74/2,235,657.70 - Step 6: Final answer
x = 1,673,870.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.