Finding the Fourth Proportional to 5,249,009.68, 7,873,514.64 and 1,259,921.68
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Solution
The fourth proportional to 5,249,009.68, 7,873,514.64 and 1,259,921.68 is: 1,889,882.55
Step by Step Solution
- Step 1: Write the proportion equation
5,249,009.68 : 7,873,514.64 = 1,259,921.68 : x - Step 2: Convert to fraction form
5,249,009.68/7,873,514.64 = 1,259,921.68/x - Step 3: Cross multiply
5,249,009.68x = 7,873,514.64 × 1,259,921.68 - Step 4: Simplify right side
5,249,009.68x = 9,920,011,792,733.40 - Step 5: Solve for x
x = 9,920,011,792,733.40/5,249,009.68 - Step 6: Final answer
x = 1,889,882.55
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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.