Finding the Fourth Proportional to 2,079,259.70, 3,120,271.95 and 1,180,699.70
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Solution
The fourth proportional to 2,079,259.70, 3,120,271.95 and 1,180,699.70 is: 1,771,834.54
Step by Step Solution
- Step 1: Write the proportion equation
2,079,259.70 : 3,120,271.95 = 1,180,699.70 : x - Step 2: Convert to fraction form
2,079,259.70/3,120,271.95 = 1,180,699.70/x - Step 3: Cross multiply
2,079,259.70x = 3,120,271.95 × 1,180,699.70 - Step 4: Simplify right side
2,079,259.70x = 3,684,104,155,283.42 - Step 5: Solve for x
x = 3,684,104,155,283.42/2,079,259.70 - Step 6: Final answer
x = 1,771,834.54
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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.