Finding the Fourth Proportional to 1,569,138.10, 2,353,925.85 and 670,572.70
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Solution
The fourth proportional to 1,569,138.10, 2,353,925.85 and 670,572.70 is: 1,005,952.51
Step by Step Solution
- Step 1: Write the proportion equation
1,569,138.10 : 2,353,925.85 = 670,572.70 : x - Step 2: Convert to fraction form
1,569,138.10/2,353,925.85 = 670,572.70/x - Step 3: Cross multiply
1,569,138.10x = 2,353,925.85 × 670,572.70 - Step 4: Simplify right side
1,569,138.10x = 1,578,478,412,834.30 - Step 5: Solve for x
x = 1,578,478,412,834.30/1,569,138.10 - Step 6: Final answer
x = 1,005,952.51
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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.