Finding the Fourth Proportional to 1,990,573.41, 2,985,368.00 and 853,206.62
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Solution
The fourth proportional to 1,990,573.41, 2,985,368.00 and 853,206.62 is: 1,279,599.00
Step by Step Solution
- Step 1: Write the proportion equation
1,990,573.41 : 2,985,368.00 = 853,206.62 : x - Step 2: Convert to fraction form
1,990,573.41/2,985,368.00 = 853,206.62/x - Step 3: Cross multiply
1,990,573.41x = 2,985,368.00 × 853,206.62 - Step 4: Simplify right side
1,990,573.41x = 2,547,135,750,332.60 - Step 5: Solve for x
x = 2,547,135,750,332.60/1,990,573.41 - Step 6: Final answer
x = 1,279,599.00
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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.