Finding the Fourth Proportional to 2,565,233.60, 3,843,703.20 and 1,616,907.20
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Solution
The fourth proportional to 2,565,233.60, 3,843,703.20 and 1,616,907.20 is: 2,422,746.75
Step by Step Solution
- Step 1: Write the proportion equation
2,565,233.60 : 3,843,703.20 = 1,616,907.20 : x - Step 2: Convert to fraction form
2,565,233.60/3,843,703.20 = 1,616,907.20/x - Step 3: Cross multiply
2,565,233.60x = 3,843,703.20 × 1,616,907.20 - Step 4: Simplify right side
2,565,233.60x = 6,214,911,378,743.04 - Step 5: Solve for x
x = 6,214,911,378,743.04/2,565,233.60 - Step 6: Final answer
x = 2,422,746.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.