Finding the Fourth Proportional to 1,698,363.34, 2,341,777.80 and 1,353,929.98
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Solution
The fourth proportional to 1,698,363.34, 2,341,777.80 and 1,353,929.98 is: 1,866,857.99
Step by Step Solution
- Step 1: Write the proportion equation
1,698,363.34 : 2,341,777.80 = 1,353,929.98 : x - Step 2: Convert to fraction form
1,698,363.34/2,341,777.80 = 1,353,929.98/x - Step 3: Cross multiply
1,698,363.34x = 2,341,777.80 × 1,353,929.98 - Step 4: Simplify right side
1,698,363.34x = 3,170,603,169,918.44 - Step 5: Solve for x
x = 3,170,603,169,918.44/1,698,363.34 - Step 6: Final answer
x = 1,866,857.99
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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.