Finding the Fourth Proportional to 1,484,212.48, 2,048,217.14 and 805,148.98
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Solution
The fourth proportional to 1,484,212.48, 2,048,217.14 and 805,148.98 is: 1,111,107.72
Step by Step Solution
- Step 1: Write the proportion equation
1,484,212.48 : 2,048,217.14 = 805,148.98 : x - Step 2: Convert to fraction form
1,484,212.48/2,048,217.14 = 805,148.98/x - Step 3: Cross multiply
1,484,212.48x = 2,048,217.14 × 805,148.98 - Step 4: Simplify right side
1,484,212.48x = 1,649,119,937,981.85 - Step 5: Solve for x
x = 1,649,119,937,981.85/1,484,212.48 - Step 6: Final answer
x = 1,111,107.72
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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.