Finding the Fourth Proportional to 1,539,056.58, 2,124,109.05 and 885,669.18
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Solution
The fourth proportional to 1,539,056.58, 2,124,109.05 and 885,669.18 is: 1,222,344.87
Step by Step Solution
- Step 1: Write the proportion equation
1,539,056.58 : 2,124,109.05 = 885,669.18 : x - Step 2: Convert to fraction form
1,539,056.58/2,124,109.05 = 885,669.18/x - Step 3: Cross multiply
1,539,056.58x = 2,124,109.05 × 885,669.18 - Step 4: Simplify right side
1,539,056.58x = 1,881,257,920,544.08 - Step 5: Solve for x
x = 1,881,257,920,544.08/1,539,056.58 - Step 6: Final answer
x = 1,222,344.87
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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.