Finding the Fourth Proportional to 1,430,029.12, 2,145,320.16 and 543,496
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Solution
The fourth proportional to 1,430,029.12, 2,145,320.16 and 543,496 is: 815,349.08
Step by Step Solution
- Step 1: Write the proportion equation
1,430,029.12 : 2,145,320.16 = 543,496 : x - Step 2: Convert to fraction form
1,430,029.12/2,145,320.16 = 543,496/x - Step 3: Cross multiply
1,430,029.12x = 2,145,320.16 × 543,496 - Step 4: Simplify right side
1,430,029.12x = 1,165,972,925,679.36 - Step 5: Solve for x
x = 1,165,972,925,679.36/1,430,029.12 - Step 6: Final answer
x = 815,349.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.