Finding the Fourth Proportional to 2,110,613.40, 3,168,252.90 and 1,312,795.80
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Solution
The fourth proportional to 2,110,613.40, 3,168,252.90 and 1,312,795.80 is: 1,970,644.70
Step by Step Solution
- Step 1: Write the proportion equation
2,110,613.40 : 3,168,252.90 = 1,312,795.80 : x - Step 2: Convert to fraction form
2,110,613.40/3,168,252.90 = 1,312,795.80/x - Step 3: Cross multiply
2,110,613.40x = 3,168,252.90 × 1,312,795.80 - Step 4: Simplify right side
2,110,613.40x = 4,159,269,100,457.82 - Step 5: Solve for x
x = 4,159,269,100,457.82/2,110,613.40 - Step 6: Final answer
x = 1,970,644.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.