Finding the Fourth Proportional to 1,346,865.23, 2,020,666.91 and 672,131.99
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Solution
The fourth proportional to 1,346,865.23, 2,020,666.91 and 672,131.99 is: 1,008,382.16
Step by Step Solution
- Step 1: Write the proportion equation
1,346,865.23 : 2,020,666.91 = 672,131.99 : x - Step 2: Convert to fraction form
1,346,865.23/2,020,666.91 = 672,131.99/x - Step 3: Cross multiply
1,346,865.23x = 2,020,666.91 × 672,131.99 - Step 4: Simplify right side
1,346,865.23x = 1,358,154,873,036.46 - Step 5: Solve for x
x = 1,358,154,873,036.46/1,346,865.23 - Step 6: Final answer
x = 1,008,382.16
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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.