Finding the Fourth Proportional to 1,745,193.60, 2,615,846.40 and 679,881.60
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Solution
The fourth proportional to 1,745,193.60, 2,615,846.40 and 679,881.60 is: 1,019,065.07
Step by Step Solution
- Step 1: Write the proportion equation
1,745,193.60 : 2,615,846.40 = 679,881.60 : x - Step 2: Convert to fraction form
1,745,193.60/2,615,846.40 = 679,881.60/x - Step 3: Cross multiply
1,745,193.60x = 2,615,846.40 × 679,881.60 - Step 4: Simplify right side
1,745,193.60x = 1,778,465,835,786.24 - Step 5: Solve for x
x = 1,778,465,835,786.24/1,745,193.60 - Step 6: Final answer
x = 1,019,065.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.