Finding the Fourth Proportional to 3,559,447.04, 4,912,011.68 and 1,927,816.80
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Solution
The fourth proportional to 3,559,447.04, 4,912,011.68 and 1,927,816.80 is: 2,660,373.52
Step by Step Solution
- Step 1: Write the proportion equation
3,559,447.04 : 4,912,011.68 = 1,927,816.80 : x - Step 2: Convert to fraction form
3,559,447.04/4,912,011.68 = 1,927,816.80/x - Step 3: Cross multiply
3,559,447.04x = 4,912,011.68 × 1,927,816.80 - Step 4: Simplify right side
3,559,447.04x = 9,469,458,638,500.23 - Step 5: Solve for x
x = 9,469,458,638,500.23/3,559,447.04 - Step 6: Final answer
x = 2,660,373.52
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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.