Finding the Fourth Proportional to 1,490,173.71, 2,235,281.06 and 425,215.42
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Solution
The fourth proportional to 1,490,173.71, 2,235,281.06 and 425,215.42 is: 637,828.99
Step by Step Solution
- Step 1: Write the proportion equation
1,490,173.71 : 2,235,281.06 = 425,215.42 : x - Step 2: Convert to fraction form
1,490,173.71/2,235,281.06 = 425,215.42/x - Step 3: Cross multiply
1,490,173.71x = 2,235,281.06 × 425,215.42 - Step 4: Simplify right side
1,490,173.71x = 950,475,982,794.24 - Step 5: Solve for x
x = 950,475,982,794.24/1,490,173.71 - Step 6: Final answer
x = 637,828.99
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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.