Finding the Fourth Proportional to 1,869,846.60, 2,580,389.34 and 1,010,407.08
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Solution
The fourth proportional to 1,869,846.60, 2,580,389.34 and 1,010,407.08 is: 1,394,362.33
Step by Step Solution
- Step 1: Write the proportion equation
1,869,846.60 : 2,580,389.34 = 1,010,407.08 : x - Step 2: Convert to fraction form
1,869,846.60/2,580,389.34 = 1,010,407.08/x - Step 3: Cross multiply
1,869,846.60x = 2,580,389.34 × 1,010,407.08 - Step 4: Simplify right side
1,869,846.60x = 2,607,243,658,292.53 - Step 5: Solve for x
x = 2,607,243,658,292.53/1,869,846.60 - Step 6: Final answer
x = 1,394,362.33
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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.