Finding the Fourth Proportional to 5,352,890.68, 7,386,790.08 and 2,905,449.22
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Solution
The fourth proportional to 5,352,890.68, 7,386,790.08 and 2,905,449.22 is: 4,009,411.88
Step by Step Solution
- Step 1: Write the proportion equation
5,352,890.68 : 7,386,790.08 = 2,905,449.22 : x - Step 2: Convert to fraction form
5,352,890.68/7,386,790.08 = 2,905,449.22/x - Step 3: Cross multiply
5,352,890.68x = 7,386,790.08 × 2,905,449.22 - Step 4: Simplify right side
5,352,890.68x = 21,461,943,476,239.74 - Step 5: Solve for x
x = 21,461,943,476,239.74/5,352,890.68 - Step 6: Final answer
x = 4,009,411.88
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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.