Finding the Fourth Proportional to 1,585,507.28, 2,184,408.95 and 1,509,924.56
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Solution
The fourth proportional to 1,585,507.28, 2,184,408.95 and 1,509,924.56 is: 2,080,275.99
Step by Step Solution
- Step 1: Write the proportion equation
1,585,507.28 : 2,184,408.95 = 1,509,924.56 : x - Step 2: Convert to fraction form
1,585,507.28/2,184,408.95 = 1,509,924.56/x - Step 3: Cross multiply
1,585,507.28x = 2,184,408.95 × 1,509,924.56 - Step 4: Simplify right side
1,585,507.28x = 3,298,292,721,002.60 - Step 5: Solve for x
x = 3,298,292,721,002.60/1,585,507.28 - Step 6: Final answer
x = 2,080,275.99
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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.