Finding the Fourth Proportional to 4,812,378.24, 6,641,083.58 and 2,636,903.73
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Solution
The fourth proportional to 4,812,378.24, 6,641,083.58 and 2,636,903.73 is: 3,638,928.03
Step by Step Solution
- Step 1: Write the proportion equation
4,812,378.24 : 6,641,083.58 = 2,636,903.73 : x - Step 2: Convert to fraction form
4,812,378.24/6,641,083.58 = 2,636,903.73/x - Step 3: Cross multiply
4,812,378.24x = 6,641,083.58 × 2,636,903.73 - Step 4: Simplify right side
4,812,378.24x = 17,511,898,050,159.23 - Step 5: Solve for x
x = 17,511,898,050,159.23/4,812,378.24 - Step 6: Final answer
x = 3,638,928.03
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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.