Finding the Fourth Proportional to 1,960,089.12, 2,938,267.44 and 629,460
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Solution
The fourth proportional to 1,960,089.12, 2,938,267.44 and 629,460 is: 943,590.68
Step by Step Solution
- Step 1: Write the proportion equation
1,960,089.12 : 2,938,267.44 = 629,460 : x - Step 2: Convert to fraction form
1,960,089.12/2,938,267.44 = 629,460/x - Step 3: Cross multiply
1,960,089.12x = 2,938,267.44 × 629,460 - Step 4: Simplify right side
1,960,089.12x = 1,849,521,822,782.40 - Step 5: Solve for x
x = 1,849,521,822,782.40/1,960,089.12 - Step 6: Final answer
x = 943,590.68
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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.