Finding the Fourth Proportional to 2,846,239.11, 3,927,795.98 and 1,557,056.07
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Solution
The fourth proportional to 2,846,239.11, 3,927,795.98 and 1,557,056.07 is: 2,148,729.72
Step by Step Solution
- Step 1: Write the proportion equation
2,846,239.11 : 3,927,795.98 = 1,557,056.07 : x - Step 2: Convert to fraction form
2,846,239.11/3,927,795.98 = 1,557,056.07/x - Step 3: Cross multiply
2,846,239.11x = 3,927,795.98 × 1,557,056.07 - Step 4: Simplify right side
2,846,239.11x = 6,115,798,564,595.32 - Step 5: Solve for x
x = 6,115,798,564,595.32/2,846,239.11 - Step 6: Final answer
x = 2,148,729.72
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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.