Finding the Fourth Proportional to 1,539,442.34, 2,124,425.11 and 860,378.84
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Solution
The fourth proportional to 1,539,442.34, 2,124,425.11 and 860,378.84 is: 1,187,319.83
Step by Step Solution
- Step 1: Write the proportion equation
1,539,442.34 : 2,124,425.11 = 860,378.84 : x - Step 2: Convert to fraction form
1,539,442.34/2,124,425.11 = 860,378.84/x - Step 3: Cross multiply
1,539,442.34x = 2,124,425.11 × 860,378.84 - Step 4: Simplify right side
1,539,442.34x = 1,827,810,411,808.67 - Step 5: Solve for x
x = 1,827,810,411,808.67/1,539,442.34 - Step 6: Final answer
x = 1,187,319.83
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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.