Finding the Fourth Proportional to 1,545,525.09, 2,130,971.09 and 1,001,462.31
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Solution
The fourth proportional to 1,545,525.09, 2,130,971.09 and 1,001,462.31 is: 1,380,816.94
Step by Step Solution
- Step 1: Write the proportion equation
1,545,525.09 : 2,130,971.09 = 1,001,462.31 : x - Step 2: Convert to fraction form
1,545,525.09/2,130,971.09 = 1,001,462.31/x - Step 3: Cross multiply
1,545,525.09x = 2,130,971.09 × 1,001,462.31 - Step 4: Simplify right side
1,545,525.09x = 2,134,087,225,327.31 - Step 5: Solve for x
x = 2,134,087,225,327.31/1,545,525.09 - Step 6: Final answer
x = 1,380,816.94
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1.5x scale
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.