Finding the Fourth Proportional to 1,400,330.10, 2,095,829.55 and 1,288,355.70
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Solution
The fourth proportional to 1,400,330.10, 2,095,829.55 and 1,288,355.70 is: 1,928,241.02
Step by Step Solution
- Step 1: Write the proportion equation
1,400,330.10 : 2,095,829.55 = 1,288,355.70 : x - Step 2: Convert to fraction form
1,400,330.10/2,095,829.55 = 1,288,355.70/x - Step 3: Cross multiply
1,400,330.10x = 2,095,829.55 × 1,288,355.70 - Step 4: Simplify right side
1,400,330.10x = 2,700,173,946,970.94 - Step 5: Solve for x
x = 2,700,173,946,970.94/1,400,330.10 - Step 6: Final answer
x = 1,928,241.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.