Finding the Fourth Proportional to 2,121,097.59, 2,926,604.25 and 1,249,967.88
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Solution
The fourth proportional to 2,121,097.59, 2,926,604.25 and 1,249,967.88 is: 1,724,654.88
Step by Step Solution
- Step 1: Write the proportion equation
2,121,097.59 : 2,926,604.25 = 1,249,967.88 : x - Step 2: Convert to fraction form
2,121,097.59/2,926,604.25 = 1,249,967.88/x - Step 3: Cross multiply
2,121,097.59x = 2,926,604.25 × 1,249,967.88 - Step 4: Simplify right side
2,121,097.59x = 3,658,161,309,971.49 - Step 5: Solve for x
x = 3,658,161,309,971.49/2,121,097.59 - Step 6: Final answer
x = 1,724,654.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.