Finding the Fourth Proportional to 2,087,972.36, 2,881,604.08 and 1,170,357.36
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Solution
The fourth proportional to 2,087,972.36, 2,881,604.08 and 1,170,357.36 is: 1,615,206.51
Step by Step Solution
- Step 1: Write the proportion equation
2,087,972.36 : 2,881,604.08 = 1,170,357.36 : x - Step 2: Convert to fraction form
2,087,972.36/2,881,604.08 = 1,170,357.36/x - Step 3: Cross multiply
2,087,972.36x = 2,881,604.08 × 1,170,357.36 - Step 4: Simplify right side
2,087,972.36x = 3,372,506,543,634.03 - Step 5: Solve for x
x = 3,372,506,543,634.03/2,087,972.36 - Step 6: Final answer
x = 1,615,206.51
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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.