Finding the Fourth Proportional to 1,409,706.99, 1,943,924.67 and 836,636.45
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Solution
The fourth proportional to 1,409,706.99, 1,943,924.67 and 836,636.45 is: 1,153,685.30
Step by Step Solution
- Step 1: Write the proportion equation
1,409,706.99 : 1,943,924.67 = 836,636.45 : x - Step 2: Convert to fraction form
1,409,706.99/1,943,924.67 = 836,636.45/x - Step 3: Cross multiply
1,409,706.99x = 1,943,924.67 × 836,636.45 - Step 4: Simplify right side
1,409,706.99x = 1,626,358,225,256.60 - Step 5: Solve for x
x = 1,626,358,225,256.60/1,409,706.99 - Step 6: Final answer
x = 1,153,685.30
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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.