Finding the Fourth Proportional to 2,110,825.60, 2,911,345.44 and 1,326,119.68
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Solution
The fourth proportional to 2,110,825.60, 2,911,345.44 and 1,326,119.68 is: 1,829,043.80
Step by Step Solution
- Step 1: Write the proportion equation
2,110,825.60 : 2,911,345.44 = 1,326,119.68 : x - Step 2: Convert to fraction form
2,110,825.60/2,911,345.44 = 1,326,119.68/x - Step 3: Cross multiply
2,110,825.60x = 2,911,345.44 × 1,326,119.68 - Step 4: Simplify right side
2,110,825.60x = 3,860,792,483,262.26 - Step 5: Solve for x
x = 3,860,792,483,262.26/2,110,825.60 - Step 6: Final answer
x = 1,829,043.80
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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.