Finding the Fourth Proportional to 1,484,351.19, 2,048,597.55 and 831,225.87
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Solution
The fourth proportional to 1,484,351.19, 2,048,597.55 and 831,225.87 is: 1,147,199.73
Step by Step Solution
- Step 1: Write the proportion equation
1,484,351.19 : 2,048,597.55 = 831,225.87 : x - Step 2: Convert to fraction form
1,484,351.19/2,048,597.55 = 831,225.87/x - Step 3: Cross multiply
1,484,351.19x = 2,048,597.55 × 831,225.87 - Step 4: Simplify right side
1,484,351.19x = 1,702,847,280,778.62 - Step 5: Solve for x
x = 1,702,847,280,778.62/1,484,351.19 - Step 6: Final answer
x = 1,147,199.73
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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.