Finding the Fourth Proportional to 1,607,127.66, 2,217,689.60 and 953,641.05
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Solution
The fourth proportional to 1,607,127.66, 2,217,689.60 and 953,641.05 is: 1,315,937.68
Step by Step Solution
- Step 1: Write the proportion equation
1,607,127.66 : 2,217,689.60 = 953,641.05 : x - Step 2: Convert to fraction form
1,607,127.66/2,217,689.60 = 953,641.05/x - Step 3: Cross multiply
1,607,127.66x = 2,217,689.60 × 953,641.05 - Step 4: Simplify right side
1,607,127.66x = 2,114,879,838,718.08 - Step 5: Solve for x
x = 2,114,879,838,718.08/1,607,127.66 - Step 6: Final answer
x = 1,315,937.68
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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.