Finding the Fourth Proportional to 2,281,637.86, 3,148,661.16 and 1,249,212.55
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Solution
The fourth proportional to 2,281,637.86, 3,148,661.16 and 1,249,212.55 is: 1,723,913.82
Step by Step Solution
- Step 1: Write the proportion equation
2,281,637.86 : 3,148,661.16 = 1,249,212.55 : x - Step 2: Convert to fraction form
2,281,637.86/3,148,661.16 = 1,249,212.55/x - Step 3: Cross multiply
2,281,637.86x = 3,148,661.16 × 1,249,212.55 - Step 4: Simplify right side
2,281,637.86x = 3,933,347,036,769.56 - Step 5: Solve for x
x = 3,933,347,036,769.56/2,281,637.86 - Step 6: Final answer
x = 1,723,913.82
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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.