Finding the Fourth Proportional to 1,132,202.16, 1,698,580.68 and 930,139.92
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Solution
The fourth proportional to 1,132,202.16, 1,698,580.68 and 930,139.92 is: 1,395,437.81
Step by Step Solution
- Step 1: Write the proportion equation
1,132,202.16 : 1,698,580.68 = 930,139.92 : x - Step 2: Convert to fraction form
1,132,202.16/1,698,580.68 = 930,139.92/x - Step 3: Cross multiply
1,132,202.16x = 1,698,580.68 × 930,139.92 - Step 4: Simplify right side
1,132,202.16x = 1,579,917,697,808.75 - Step 5: Solve for x
x = 1,579,917,697,808.75/1,132,202.16 - Step 6: Final answer
x = 1,395,437.81
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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.