Finding the Fourth Proportional to 1,879,697.49, 2,593,985.16 and 1,020,257.93
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Solution
The fourth proportional to 1,879,697.49, 2,593,985.16 and 1,020,257.93 is: 1,407,957.36
Step by Step Solution
- Step 1: Write the proportion equation
1,879,697.49 : 2,593,985.16 = 1,020,257.93 : x - Step 2: Convert to fraction form
1,879,697.49/2,593,985.16 = 1,020,257.93/x - Step 3: Cross multiply
1,879,697.49x = 2,593,985.16 × 1,020,257.93 - Step 4: Simplify right side
1,879,697.49x = 2,646,533,916,822.39 - Step 5: Solve for x
x = 2,646,533,916,822.39/1,879,697.49 - Step 6: Final answer
x = 1,407,957.36
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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.