Finding the Fourth Proportional to 5,249,011.31, 7,873,517.07 and 1,259,923.31
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Solution
The fourth proportional to 5,249,011.31, 7,873,517.07 and 1,259,923.31 is: 1,889,884.99
Step by Step Solution
- Step 1: Write the proportion equation
5,249,011.31 : 7,873,517.07 = 1,259,923.31 : x - Step 2: Convert to fraction form
5,249,011.31/7,873,517.07 = 1,259,923.31/x - Step 3: Cross multiply
5,249,011.31x = 7,873,517.07 × 1,259,923.31 - Step 4: Simplify right side
5,249,011.31x = 9,920,027,688,175.90 - Step 5: Solve for x
x = 9,920,027,688,175.90/5,249,011.31 - Step 6: Final answer
x = 1,889,884.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.