Finding the Fourth Proportional to 1,630,920.78, 2,445,412.14 and 620,116.65
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Solution
The fourth proportional to 1,630,920.78, 2,445,412.14 and 620,116.65 is: 929,806.53
Step by Step Solution
- Step 1: Write the proportion equation
1,630,920.78 : 2,445,412.14 = 620,116.65 : x - Step 2: Convert to fraction form
1,630,920.78/2,445,412.14 = 620,116.65/x - Step 3: Cross multiply
1,630,920.78x = 2,445,412.14 × 620,116.65 - Step 4: Simplify right side
1,630,920.78x = 1,516,440,784,126.13 - Step 5: Solve for x
x = 1,516,440,784,126.13/1,630,920.78 - Step 6: Final answer
x = 929,806.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.