Finding the Fourth Proportional to 5,352,585.65, 7,386,573.15 and 2,905,195.98
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Solution
The fourth proportional to 5,352,585.65, 7,386,573.15 and 2,905,195.98 is: 4,009,173.14
Step by Step Solution
- Step 1: Write the proportion equation
5,352,585.65 : 7,386,573.15 = 2,905,195.98 : x - Step 2: Convert to fraction form
5,352,585.65/7,386,573.15 = 2,905,195.98/x - Step 3: Cross multiply
5,352,585.65x = 7,386,573.15 × 2,905,195.98 - Step 4: Simplify right side
5,352,585.65x = 21,459,442,621,355.94 - Step 5: Solve for x
x = 21,459,442,621,355.94/5,352,585.65 - Step 6: Final answer
x = 4,009,173.14
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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.