Finding the Fourth Proportional to 1,539,207.01, 2,124,108.56 and 860,143.51
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Solution
The fourth proportional to 1,539,207.01, 2,124,108.56 and 860,143.51 is: 1,186,999.66
Step by Step Solution
- Step 1: Write the proportion equation
1,539,207.01 : 2,124,108.56 = 860,143.51 : x - Step 2: Convert to fraction form
1,539,207.01/2,124,108.56 = 860,143.51/x - Step 3: Cross multiply
1,539,207.01x = 2,124,108.56 × 860,143.51 - Step 4: Simplify right side
1,539,207.01x = 1,827,038,192,419.45 - Step 5: Solve for x
x = 1,827,038,192,419.45/1,539,207.01 - Step 6: Final answer
x = 1,186,999.66
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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.