Finding the Fourth Proportional to 2,400,005.54, 3,312,660.88 and 1,368,056.62
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Solution
The fourth proportional to 2,400,005.54, 3,312,660.88 and 1,368,056.62 is: 1,888,290.49
Step by Step Solution
- Step 1: Write the proportion equation
2,400,005.54 : 3,312,660.88 = 1,368,056.62 : x - Step 2: Convert to fraction form
2,400,005.54/3,312,660.88 = 1,368,056.62/x - Step 3: Cross multiply
2,400,005.54x = 3,312,660.88 × 1,368,056.62 - Step 4: Simplify right side
2,400,005.54x = 4,531,907,646,699.03 - Step 5: Solve for x
x = 4,531,907,646,699.03/2,400,005.54 - Step 6: Final answer
x = 1,888,290.49
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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.