Finding the Fourth Proportional to 1,588,030.47, 2,191,235.36 and 943,434.09
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Solution
The fourth proportional to 1,588,030.47, 2,191,235.36 and 943,434.09 is: 1,301,792.49
Step by Step Solution
- Step 1: Write the proportion equation
1,588,030.47 : 2,191,235.36 = 943,434.09 : x - Step 2: Convert to fraction form
1,588,030.47/2,191,235.36 = 943,434.09/x - Step 3: Cross multiply
1,588,030.47x = 2,191,235.36 × 943,434.09 - Step 4: Simplify right side
1,588,030.47x = 2,067,286,133,120.25 - Step 5: Solve for x
x = 2,067,286,133,120.25/1,588,030.47 - Step 6: Final answer
x = 1,301,792.49
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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.