Finding the Fourth Proportional to 7,742,583.23, 10,684,551.74 and 4,257,921.98
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Solution
The fourth proportional to 7,742,583.23, 10,684,551.74 and 4,257,921.98 is: 5,875,815.14
Step by Step Solution
- Step 1: Write the proportion equation
7,742,583.23 : 10,684,551.74 = 4,257,921.98 : x - Step 2: Convert to fraction form
7,742,583.23/10,684,551.74 = 4,257,921.98/x - Step 3: Cross multiply
7,742,583.23x = 10,684,551.74 × 4,257,921.98 - Step 4: Simplify right side
7,742,583.23x = 45,493,987,705,615.01 - Step 5: Solve for x
x = 45,493,987,705,615.01/7,742,583.23 - Step 6: Final answer
x = 5,875,815.14
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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.