Finding the Fourth Proportional to 1,938,085.74, 2,906,907.17 and 518,252.54
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Solution
The fourth proportional to 1,938,085.74, 2,906,907.17 and 518,252.54 is: 777,319.59
Step by Step Solution
- Step 1: Write the proportion equation
1,938,085.74 : 2,906,907.17 = 518,252.54 : x - Step 2: Convert to fraction form
1,938,085.74/2,906,907.17 = 518,252.54/x - Step 3: Cross multiply
1,938,085.74x = 2,906,907.17 × 518,252.54 - Step 4: Simplify right side
1,938,085.74x = 1,506,512,007,270.91 - Step 5: Solve for x
x = 1,506,512,007,270.91/1,938,085.74 - Step 6: Final answer
x = 777,319.59
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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.