Finding the Fourth Proportional to 1,312,468.06, 1,970,837.98 and 810,221.70
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Solution
The fourth proportional to 1,312,468.06, 1,970,837.98 and 810,221.70 is: 1,216,651.10
Step by Step Solution
- Step 1: Write the proportion equation
1,312,468.06 : 1,970,837.98 = 810,221.70 : x - Step 2: Convert to fraction form
1,312,468.06/1,970,837.98 = 810,221.70/x - Step 3: Cross multiply
1,312,468.06x = 1,970,837.98 × 810,221.70 - Step 4: Simplify right side
1,312,468.06x = 1,596,815,708,502.75 - Step 5: Solve for x
x = 1,596,815,708,502.75/1,312,468.06 - Step 6: Final answer
x = 1,216,651.10
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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.