Finding the Fourth Proportional to 5,528,507.60, 8,292,761.40 and 3,137,023.10
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Solution
The fourth proportional to 5,528,507.60, 8,292,761.40 and 3,137,023.10 is: 4,705,534.65
Step by Step Solution
- Step 1: Write the proportion equation
5,528,507.60 : 8,292,761.40 = 3,137,023.10 : x - Step 2: Convert to fraction form
5,528,507.60/8,292,761.40 = 3,137,023.10/x - Step 3: Cross multiply
5,528,507.60x = 8,292,761.40 × 3,137,023.10 - Step 4: Simplify right side
5,528,507.60x = 26,014,584,074,588.34 - Step 5: Solve for x
x = 26,014,584,074,588.34/5,528,507.60 - Step 6: Final answer
x = 4,705,534.65
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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.