Finding the Fourth Proportional to 1,938,276.92, 2,907,415.18 and 518,296.09
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Solution
The fourth proportional to 1,938,276.92, 2,907,415.18 and 518,296.09 is: 777,444.08
Step by Step Solution
- Step 1: Write the proportion equation
1,938,276.92 : 2,907,415.18 = 518,296.09 : x - Step 2: Convert to fraction form
1,938,276.92/2,907,415.18 = 518,296.09/x - Step 3: Cross multiply
1,938,276.92x = 2,907,415.18 × 518,296.09 - Step 4: Simplify right side
1,938,276.92x = 1,506,901,919,800.65 - Step 5: Solve for x
x = 1,506,901,919,800.65/1,938,276.92 - Step 6: Final answer
x = 777,444.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.