Finding the Fourth Proportional to 1,742,987.48, 2,405,381.14 and 968,650.96
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Solution
The fourth proportional to 1,742,987.48, 2,405,381.14 and 968,650.96 is: 1,336,770.79
Step by Step Solution
- Step 1: Write the proportion equation
1,742,987.48 : 2,405,381.14 = 968,650.96 : x - Step 2: Convert to fraction form
1,742,987.48/2,405,381.14 = 968,650.96/x - Step 3: Cross multiply
1,742,987.48x = 2,405,381.14 × 968,650.96 - Step 4: Simplify right side
1,742,987.48x = 2,329,974,750,426.89 - Step 5: Solve for x
x = 2,329,974,750,426.89/1,742,987.48 - Step 6: Final answer
x = 1,336,770.79
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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.