Finding the Fourth Proportional to 1,569,215.60, 2,165,452.08 and 890,280.08
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Solution
The fourth proportional to 1,569,215.60, 2,165,452.08 and 890,280.08 is: 1,228,549.38
Step by Step Solution
- Step 1: Write the proportion equation
1,569,215.60 : 2,165,452.08 = 890,280.08 : x - Step 2: Convert to fraction form
1,569,215.60/2,165,452.08 = 890,280.08/x - Step 3: Cross multiply
1,569,215.60x = 2,165,452.08 × 890,280.08 - Step 4: Simplify right side
1,569,215.60x = 1,927,858,851,018.57 - Step 5: Solve for x
x = 1,927,858,851,018.57/1,569,215.60 - Step 6: Final answer
x = 1,228,549.38
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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.