Finding the Fourth Proportional to 2,127,395.20, 3,174,500.35 and 1,898,114.68
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Solution
The fourth proportional to 2,127,395.20, 3,174,500.35 and 1,898,114.68 is: 2,832,367.82
Step by Step Solution
- Step 1: Write the proportion equation
2,127,395.20 : 3,174,500.35 = 1,898,114.68 : x - Step 2: Convert to fraction form
2,127,395.20/3,174,500.35 = 1,898,114.68/x - Step 3: Cross multiply
2,127,395.20x = 3,174,500.35 × 1,898,114.68 - Step 4: Simplify right side
2,127,395.20x = 6,025,565,703,318.60 - Step 5: Solve for x
x = 6,025,565,703,318.60/2,127,395.20 - Step 6: Final answer
x = 2,832,367.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.