Finding the Fourth Proportional to 6,615,987.18, 9,924,593.16 and 2,572,779.12
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Solution
The fourth proportional to 6,615,987.18, 9,924,593.16 and 2,572,779.12 is: 3,859,406.82
Step by Step Solution
- Step 1: Write the proportion equation
6,615,987.18 : 9,924,593.16 = 2,572,779.12 : x - Step 2: Convert to fraction form
6,615,987.18/9,924,593.16 = 2,572,779.12/x - Step 3: Cross multiply
6,615,987.18x = 9,924,593.16 × 2,572,779.12 - Step 4: Simplify right side
6,615,987.18x = 25,533,786,056,542.82 - Step 5: Solve for x
x = 25,533,786,056,542.82/6,615,987.18 - Step 6: Final answer
x = 3,859,406.82
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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.