Finding the Fourth Proportional to 1,864,429.23, 2,571,454.58 and 1,211,265.75
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Solution
The fourth proportional to 1,864,429.23, 2,571,454.58 and 1,211,265.75 is: 1,670,599.67
Step by Step Solution
- Step 1: Write the proportion equation
1,864,429.23 : 2,571,454.58 = 1,211,265.75 : x - Step 2: Convert to fraction form
1,864,429.23/2,571,454.58 = 1,211,265.75/x - Step 3: Cross multiply
1,864,429.23x = 2,571,454.58 × 1,211,265.75 - Step 4: Simplify right side
1,864,429.23x = 3,114,714,854,378.31 - Step 5: Solve for x
x = 3,114,714,854,378.31/1,864,429.23 - Step 6: Final answer
x = 1,670,599.67
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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.