Finding the Fourth Proportional to 1,539,206.01, 2,124,107.18 and 860,142.51
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Solution
The fourth proportional to 1,539,206.01, 2,124,107.18 and 860,142.51 is: 1,186,998.27
Step by Step Solution
- Step 1: Write the proportion equation
1,539,206.01 : 2,124,107.18 = 860,142.51 : x - Step 2: Convert to fraction form
1,539,206.01/2,124,107.18 = 860,142.51/x - Step 3: Cross multiply
1,539,206.01x = 2,124,107.18 × 860,142.51 - Step 4: Simplify right side
1,539,206.01x = 1,827,034,877,013.51 - Step 5: Solve for x
x = 1,827,034,877,013.51/1,539,206.01 - Step 6: Final answer
x = 1,186,998.27
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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.