Finding the Fourth Proportional to 2,431,768.68, 3,356,303.58 and 1,603,384.92
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Solution
The fourth proportional to 2,431,768.68, 3,356,303.58 and 1,603,384.92 is: 2,212,976.34
Step by Step Solution
- Step 1: Write the proportion equation
2,431,768.68 : 3,356,303.58 = 1,603,384.92 : x - Step 2: Convert to fraction form
2,431,768.68/3,356,303.58 = 1,603,384.92/x - Step 3: Cross multiply
2,431,768.68x = 3,356,303.58 × 1,603,384.92 - Step 4: Simplify right side
2,431,768.68x = 5,381,446,547,114.01 - Step 5: Solve for x
x = 5,381,446,547,114.01/2,431,768.68 - Step 6: Final answer
x = 2,212,976.34
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1.5x scale
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.