Finding the Fourth Proportional to 4,947,419.52, 7,421,352.84 and 1,353,106.08
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Solution
The fourth proportional to 4,947,419.52, 7,421,352.84 and 1,353,106.08 is: 2,029,720.26
Step by Step Solution
- Step 1: Write the proportion equation
4,947,419.52 : 7,421,352.84 = 1,353,106.08 : x - Step 2: Convert to fraction form
4,947,419.52/7,421,352.84 = 1,353,106.08/x - Step 3: Cross multiply
4,947,419.52x = 7,421,352.84 × 1,353,106.08 - Step 4: Simplify right side
4,947,419.52x = 10,041,877,649,629.27 - Step 5: Solve for x
x = 10,041,877,649,629.27/4,947,419.52 - Step 6: Final answer
x = 2,029,720.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.