Finding the Fourth Proportional to 1,636,756.90, 2,258,794.62 and 911,604.80
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Solution
The fourth proportional to 1,636,756.90, 2,258,794.62 and 911,604.80 is: 1,258,053.67
Step by Step Solution
- Step 1: Write the proportion equation
1,636,756.90 : 2,258,794.62 = 911,604.80 : x - Step 2: Convert to fraction form
1,636,756.90/2,258,794.62 = 911,604.80/x - Step 3: Cross multiply
1,636,756.90x = 2,258,794.62 × 911,604.80 - Step 4: Simplify right side
1,636,756.90x = 2,059,128,017,806.18 - Step 5: Solve for x
x = 2,059,128,017,806.18/1,636,756.90 - Step 6: Final answer
x = 1,258,053.67
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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.