Finding the Fourth Proportional to 5,352,889.68, 7,386,788.70 and 2,905,448.22
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Solution
The fourth proportional to 5,352,889.68, 7,386,788.70 and 2,905,448.22 is: 4,009,410.50
Step by Step Solution
- Step 1: Write the proportion equation
5,352,889.68 : 7,386,788.70 = 2,905,448.22 : x - Step 2: Convert to fraction form
5,352,889.68/7,386,788.70 = 2,905,448.22/x - Step 3: Cross multiply
5,352,889.68x = 7,386,788.70 × 2,905,448.22 - Step 4: Simplify right side
5,352,889.68x = 21,461,932,079,931.12 - Step 5: Solve for x
x = 21,461,932,079,931.12/5,352,889.68 - Step 6: Final answer
x = 4,009,410.50
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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.