Finding the Fourth Proportional to 1,803,963.96, 2,489,510.43 and 1,029,579.26
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Solution
The fourth proportional to 1,803,963.96, 2,489,510.43 and 1,029,579.26 is: 1,420,842.30
Step by Step Solution
- Step 1: Write the proportion equation
1,803,963.96 : 2,489,510.43 = 1,029,579.26 : x - Step 2: Convert to fraction form
1,803,963.96/2,489,510.43 = 1,029,579.26/x - Step 3: Cross multiply
1,803,963.96x = 2,489,510.43 × 1,029,579.26 - Step 4: Simplify right side
1,803,963.96x = 2,563,148,293,834.13 - Step 5: Solve for x
x = 2,563,148,293,834.13/1,803,963.96 - Step 6: Final answer
x = 1,420,842.30
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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.