Finding the Fourth Proportional to 4,316,809.60, 6,477,028.80 and 2,319,932.80
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Solution
The fourth proportional to 4,316,809.60, 6,477,028.80 and 2,319,932.80 is: 3,480,874.29
Step by Step Solution
- Step 1: Write the proportion equation
4,316,809.60 : 6,477,028.80 = 2,319,932.80 : x - Step 2: Convert to fraction form
4,316,809.60/6,477,028.80 = 2,319,932.80/x - Step 3: Cross multiply
4,316,809.60x = 6,477,028.80 × 2,319,932.80 - Step 4: Simplify right side
4,316,809.60x = 15,026,271,559,664.64 - Step 5: Solve for x
x = 15,026,271,559,664.64/4,316,809.60 - Step 6: Final answer
x = 3,480,874.29
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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.