Finding the Fourth Proportional to 1,577,620.40, 2,366,430.60 and 736,257.20
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Solution
The fourth proportional to 1,577,620.40, 2,366,430.60 and 736,257.20 is: 1,104,385.80
Step by Step Solution
- Step 1: Write the proportion equation
1,577,620.40 : 2,366,430.60 = 736,257.20 : x - Step 2: Convert to fraction form
1,577,620.40/2,366,430.60 = 736,257.20/x - Step 3: Cross multiply
1,577,620.40x = 2,366,430.60 × 736,257.20 - Step 4: Simplify right side
1,577,620.40x = 1,742,301,567,550.32 - Step 5: Solve for x
x = 1,742,301,567,550.32/1,577,620.40 - Step 6: Final answer
x = 1,104,385.80
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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.