Finding the Fourth Proportional to 3,009,986.36, 4,152,598.68 and 1,720,134.76
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Solution
The fourth proportional to 3,009,986.36, 4,152,598.68 and 1,720,134.76 is: 2,373,110.20
Step by Step Solution
- Step 1: Write the proportion equation
3,009,986.36 : 4,152,598.68 = 1,720,134.76 : x - Step 2: Convert to fraction form
3,009,986.36/4,152,598.68 = 1,720,134.76/x - Step 3: Cross multiply
3,009,986.36x = 4,152,598.68 × 1,720,134.76 - Step 4: Simplify right side
3,009,986.36x = 7,143,029,333,798.12 - Step 5: Solve for x
x = 7,143,029,333,798.12/3,009,986.36 - Step 6: Final answer
x = 2,373,110.20
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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.