Finding the Fourth Proportional to 4,470,813.60, 6,169,871.80 and 2,511,037.02
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Solution
The fourth proportional to 4,470,813.60, 6,169,871.80 and 2,511,037.02 is: 3,465,314.79
Step by Step Solution
- Step 1: Write the proportion equation
4,470,813.60 : 6,169,871.80 = 2,511,037.02 : x - Step 2: Convert to fraction form
4,470,813.60/6,169,871.80 = 2,511,037.02/x - Step 3: Cross multiply
4,470,813.60x = 6,169,871.80 × 2,511,037.02 - Step 4: Simplify right side
4,470,813.60x = 15,492,776,517,667.56 - Step 5: Solve for x
x = 15,492,776,517,667.56/4,470,813.60 - Step 6: Final answer
x = 3,465,314.79
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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.