Finding the Fourth Proportional to 1,539,541.13, 2,124,632.36 and 860,477.63
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Solution
The fourth proportional to 1,539,541.13, 2,124,632.36 and 860,477.63 is: 1,187,495.79
Step by Step Solution
- Step 1: Write the proportion equation
1,539,541.13 : 2,124,632.36 = 860,477.63 : x - Step 2: Convert to fraction form
1,539,541.13/2,124,632.36 = 860,477.63/x - Step 3: Cross multiply
1,539,541.13x = 2,124,632.36 × 860,477.63 - Step 4: Simplify right side
1,539,541.13x = 1,828,198,609,282.14 - Step 5: Solve for x
x = 1,828,198,609,282.14/1,539,541.13 - Step 6: Final answer
x = 1,187,495.79
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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.