Finding the Fourth Proportional to 1,539,276, 2,124,161.28 and 860,218.08
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Solution
The fourth proportional to 1,539,276, 2,124,161.28 and 860,218.08 is: 1,187,078.82
Step by Step Solution
- Step 1: Write the proportion equation
1,539,276 : 2,124,161.28 = 860,218.08 : x - Step 2: Convert to fraction form
1,539,276/2,124,161.28 = 860,218.08/x - Step 3: Cross multiply
1,539,276x = 2,124,161.28 × 860,218.08 - Step 4: Simplify right side
1,539,276x = 1,827,241,937,891.94 - Step 5: Solve for x
x = 1,827,241,937,891.94/1,539,276 - Step 6: Final answer
x = 1,187,078.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.