Finding the Fourth Proportional to 2,281,646.36, 3,148,672.88 and 1,249,221.08
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Solution
The fourth proportional to 2,281,646.36, 3,148,672.88 and 1,249,221.08 is: 1,723,925.58
Step by Step Solution
- Step 1: Write the proportion equation
2,281,646.36 : 3,148,672.88 = 1,249,221.08 : x - Step 2: Convert to fraction form
2,281,646.36/3,148,672.88 = 1,249,221.08/x - Step 3: Cross multiply
2,281,646.36x = 3,148,672.88 × 1,249,221.08 - Step 4: Simplify right side
2,281,646.36x = 3,933,388,535,720.31 - Step 5: Solve for x
x = 3,933,388,535,720.31/2,281,646.36 - Step 6: Final answer
x = 1,723,925.58
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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.