Finding the Fourth Proportional to 1,668,595.23, 2,503,132.61 and 515,931.62
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Solution
The fourth proportional to 1,668,595.23, 2,503,132.61 and 515,931.62 is: 773,971.56
Step by Step Solution
- Step 1: Write the proportion equation
1,668,595.23 : 2,503,132.61 = 515,931.62 : x - Step 2: Convert to fraction form
1,668,595.23/2,503,132.61 = 515,931.62/x - Step 3: Cross multiply
1,668,595.23x = 2,503,132.61 × 515,931.62 - Step 4: Simplify right side
1,668,595.23x = 1,291,445,247,456.81 - Step 5: Solve for x
x = 1,291,445,247,456.81/1,668,595.23 - Step 6: Final answer
x = 773,971.56
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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.