Finding the Fourth Proportional to 1,642,206.99, 2,266,115.04 and 917,011.44
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Solution
The fourth proportional to 1,642,206.99, 2,266,115.04 and 917,011.44 is: 1,265,402.86
Step by Step Solution
- Step 1: Write the proportion equation
1,642,206.99 : 2,266,115.04 = 917,011.44 : x - Step 2: Convert to fraction form
1,642,206.99/2,266,115.04 = 917,011.44/x - Step 3: Cross multiply
1,642,206.99x = 2,266,115.04 × 917,011.44 - Step 4: Simplify right side
1,642,206.99x = 2,078,053,416,036.06 - Step 5: Solve for x
x = 2,078,053,416,036.06/1,642,206.99 - Step 6: Final answer
x = 1,265,402.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.