Finding the Fourth Proportional to 2,230,138.12, 3,077,602.74 and 1,371,259.48
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Solution
The fourth proportional to 2,230,138.12, 3,077,602.74 and 1,371,259.48 is: 1,892,345.54
Step by Step Solution
- Step 1: Write the proportion equation
2,230,138.12 : 3,077,602.74 = 1,371,259.48 : x - Step 2: Convert to fraction form
2,230,138.12/3,077,602.74 = 1,371,259.48/x - Step 3: Cross multiply
2,230,138.12x = 3,077,602.74 × 1,371,259.48 - Step 4: Simplify right side
2,230,138.12x = 4,220,191,932,898.98 - Step 5: Solve for x
x = 4,220,191,932,898.98/2,230,138.12 - Step 6: Final answer
x = 1,892,345.54
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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.