Finding the Fourth Proportional to 2,455,258.74, 3,387,083.52 and 1,907,646.90
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Solution
The fourth proportional to 2,455,258.74, 3,387,083.52 and 1,907,646.90 is: 2,631,640.92
Step by Step Solution
- Step 1: Write the proportion equation
2,455,258.74 : 3,387,083.52 = 1,907,646.90 : x - Step 2: Convert to fraction form
2,455,258.74/3,387,083.52 = 1,907,646.90/x - Step 3: Cross multiply
2,455,258.74x = 3,387,083.52 × 1,907,646.90 - Step 4: Simplify right side
2,455,258.74x = 6,461,359,376,969.09 - Step 5: Solve for x
x = 6,461,359,376,969.09/2,455,258.74 - Step 6: Final answer
x = 2,631,640.92
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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.