Finding the Fourth Proportional to 1,630,356.38, 2,249,962.07 and 905,204.19
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Solution
The fourth proportional to 1,630,356.38, 2,249,962.07 and 905,204.19 is: 1,249,220.79
Step by Step Solution
- Step 1: Write the proportion equation
1,630,356.38 : 2,249,962.07 = 905,204.19 : x - Step 2: Convert to fraction form
1,630,356.38/2,249,962.07 = 905,204.19/x - Step 3: Cross multiply
1,630,356.38x = 2,249,962.07 × 905,204.19 - Step 4: Simplify right side
1,630,356.38x = 2,036,675,093,105.07 - Step 5: Solve for x
x = 2,036,675,093,105.07/1,630,356.38 - Step 6: Final answer
x = 1,249,220.79
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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.