Finding the Fourth Proportional to 1,630,400.84, 2,445,911.90 and 657,842.28
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Solution
The fourth proportional to 1,630,400.84, 2,445,911.90 and 657,842.28 is: 986,888.76
Step by Step Solution
- Step 1: Write the proportion equation
1,630,400.84 : 2,445,911.90 = 657,842.28 : x - Step 2: Convert to fraction form
1,630,400.84/2,445,911.90 = 657,842.28/x - Step 3: Cross multiply
1,630,400.84x = 2,445,911.90 × 657,842.28 - Step 4: Simplify right side
1,630,400.84x = 1,609,024,260,975.13 - Step 5: Solve for x
x = 1,609,024,260,975.13/1,630,400.84 - Step 6: Final answer
x = 986,888.76
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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.