Finding the Fourth Proportional to 2,405,482.24, 3,319,569.49 and 1,317,730.10
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Solution
The fourth proportional to 2,405,482.24, 3,319,569.49 and 1,317,730.10 is: 1,818,469.73
Step by Step Solution
- Step 1: Write the proportion equation
2,405,482.24 : 3,319,569.49 = 1,317,730.10 : x - Step 2: Convert to fraction form
2,405,482.24/3,319,569.49 = 1,317,730.10/x - Step 3: Cross multiply
2,405,482.24x = 3,319,569.49 × 1,317,730.10 - Step 4: Simplify right side
2,405,482.24x = 4,374,296,636,014.65 - Step 5: Solve for x
x = 4,374,296,636,014.65/2,405,482.24 - Step 6: Final answer
x = 1,818,469.73
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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.