Finding the Fourth Proportional to 5,209,314.93, 7,814,267.64 and 1,615,592.79
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Solution
The fourth proportional to 5,209,314.93, 7,814,267.64 and 1,615,592.79 is: 2,423,480.75
Step by Step Solution
- Step 1: Write the proportion equation
5,209,314.93 : 7,814,267.64 = 1,615,592.79 : x - Step 2: Convert to fraction form
5,209,314.93/7,814,267.64 = 1,615,592.79/x - Step 3: Cross multiply
5,209,314.93x = 7,814,267.64 × 1,615,592.79 - Step 4: Simplify right side
5,209,314.93x = 12,624,674,458,314.31 - Step 5: Solve for x
x = 12,624,674,458,314.31/5,209,314.93 - Step 6: Final answer
x = 2,423,480.75
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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.