Finding the Fourth Proportional to 1,771,521.30, 2,656,763.55 and 634,151.70
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Solution
The fourth proportional to 1,771,521.30, 2,656,763.55 and 634,151.70 is: 951,041.98
Step by Step Solution
- Step 1: Write the proportion equation
1,771,521.30 : 2,656,763.55 = 634,151.70 : x - Step 2: Convert to fraction form
1,771,521.30/2,656,763.55 = 634,151.70/x - Step 3: Cross multiply
1,771,521.30x = 2,656,763.55 × 634,151.70 - Step 4: Simplify right side
1,771,521.30x = 1,684,791,121,730.53 - Step 5: Solve for x
x = 1,684,791,121,730.53/1,771,521.30 - Step 6: Final answer
x = 951,041.98
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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.