Finding the Fourth Proportional to 1,484,211.59, 2,048,215.94 and 805,148.09
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Solution
The fourth proportional to 1,484,211.59, 2,048,215.94 and 805,148.09 is: 1,111,106.50
Step by Step Solution
- Step 1: Write the proportion equation
1,484,211.59 : 2,048,215.94 = 805,148.09 : x - Step 2: Convert to fraction form
1,484,211.59/2,048,215.94 = 805,148.09/x - Step 3: Cross multiply
1,484,211.59x = 2,048,215.94 × 805,148.09 - Step 4: Simplify right side
1,484,211.59x = 1,649,117,148,431.85 - Step 5: Solve for x
x = 1,649,117,148,431.85/1,484,211.59 - Step 6: Final answer
x = 1,111,106.50
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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.