Finding the Fourth Proportional to 1,742,572.80, 2,613,859.20 and 797,788.80
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Solution
The fourth proportional to 1,742,572.80, 2,613,859.20 and 797,788.80 is: 1,196,683.20
Step by Step Solution
- Step 1: Write the proportion equation
1,742,572.80 : 2,613,859.20 = 797,788.80 : x - Step 2: Convert to fraction form
1,742,572.80/2,613,859.20 = 797,788.80/x - Step 3: Cross multiply
1,742,572.80x = 2,613,859.20 × 797,788.80 - Step 4: Simplify right side
1,742,572.80x = 2,085,307,594,536.96 - Step 5: Solve for x
x = 2,085,307,594,536.96/1,742,572.80 - Step 6: Final answer
x = 1,196,683.20
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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.