Finding the Fourth Proportional to 2,221,752.85, 3,065,150.93 and 1,291,306.01
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Solution
The fourth proportional to 2,221,752.85, 3,065,150.93 and 1,291,306.01 is: 1,781,497.79
Step by Step Solution
- Step 1: Write the proportion equation
2,221,752.85 : 3,065,150.93 = 1,291,306.01 : x - Step 2: Convert to fraction form
2,221,752.85/3,065,150.93 = 1,291,306.01/x - Step 3: Cross multiply
2,221,752.85x = 3,065,150.93 × 1,291,306.01 - Step 4: Simplify right side
2,221,752.85x = 3,958,047,795,683.80 - Step 5: Solve for x
x = 3,958,047,795,683.80/2,221,752.85 - Step 6: Final answer
x = 1,781,497.79
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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.