Finding the Fourth Proportional to 1,545,804.32, 2,133,134.93 and 857,503.58
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Solution
The fourth proportional to 1,545,804.32, 2,133,134.93 and 857,503.58 is: 1,183,313.32
Step by Step Solution
- Step 1: Write the proportion equation
1,545,804.32 : 2,133,134.93 = 857,503.58 : x - Step 2: Convert to fraction form
1,545,804.32/2,133,134.93 = 857,503.58/x - Step 3: Cross multiply
1,545,804.32x = 2,133,134.93 × 857,503.58 - Step 4: Simplify right side
1,545,804.32x = 1,829,170,830,576.13 - Step 5: Solve for x
x = 1,829,170,830,576.13/1,545,804.32 - Step 6: Final answer
x = 1,183,313.32
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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.