Finding the Fourth Proportional to 1,866,252.14, 2,575,847.99 and 1,221,298.65
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Solution
The fourth proportional to 1,866,252.14, 2,575,847.99 and 1,221,298.65 is: 1,685,667.01
Step by Step Solution
- Step 1: Write the proportion equation
1,866,252.14 : 2,575,847.99 = 1,221,298.65 : x - Step 2: Convert to fraction form
1,866,252.14/2,575,847.99 = 1,221,298.65/x - Step 3: Cross multiply
1,866,252.14x = 2,575,847.99 × 1,221,298.65 - Step 4: Simplify right side
1,866,252.14x = 3,145,879,672,792.21 - Step 5: Solve for x
x = 3,145,879,672,792.21/1,866,252.14 - Step 6: Final answer
x = 1,685,667.01
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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.