Finding the Fourth Proportional to 6,115,474.94, 8,439,360.80 and 3,362,209.20
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Solution
The fourth proportional to 6,115,474.94, 8,439,360.80 and 3,362,209.20 is: 4,639,851.66
Step by Step Solution
- Step 1: Write the proportion equation
6,115,474.94 : 8,439,360.80 = 3,362,209.20 : x - Step 2: Convert to fraction form
6,115,474.94/8,439,360.80 = 3,362,209.20/x - Step 3: Cross multiply
6,115,474.94x = 8,439,360.80 × 3,362,209.20 - Step 4: Simplify right side
6,115,474.94x = 28,374,896,507,068.32 - Step 5: Solve for x
x = 28,374,896,507,068.32/6,115,474.94 - Step 6: Final answer
x = 4,639,851.66
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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.