Finding the Fourth Proportional to 1,539,512.88, 2,124,491.07 and 860,512.56
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Solution
The fourth proportional to 1,539,512.88, 2,124,491.07 and 860,512.56 is: 1,187,486.82
Step by Step Solution
- Step 1: Write the proportion equation
1,539,512.88 : 2,124,491.07 = 860,512.56 : x - Step 2: Convert to fraction form
1,539,512.88/2,124,491.07 = 860,512.56/x - Step 3: Cross multiply
1,539,512.88x = 2,124,491.07 × 860,512.56 - Step 4: Simplify right side
1,539,512.88x = 1,828,151,249,342.84 - Step 5: Solve for x
x = 1,828,151,249,342.84/1,539,512.88 - Step 6: Final answer
x = 1,187,486.82
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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.