Finding the Fourth Proportional to 2,281,860.19, 3,148,847.40 and 1,249,170.13
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Solution
The fourth proportional to 2,281,860.19, 3,148,847.40 and 1,249,170.13 is: 1,723,789.27
Step by Step Solution
- Step 1: Write the proportion equation
2,281,860.19 : 3,148,847.40 = 1,249,170.13 : x - Step 2: Convert to fraction form
2,281,860.19/3,148,847.40 = 1,249,170.13/x - Step 3: Cross multiply
2,281,860.19x = 3,148,847.40 × 1,249,170.13 - Step 4: Simplify right side
2,281,860.19x = 3,933,446,116,008.16 - Step 5: Solve for x
x = 3,933,446,116,008.16/2,281,860.19 - Step 6: Final answer
x = 1,723,789.27
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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.