Finding the Fourth Proportional to 1,803,154.66, 2,488,409.74 and 987,435.75
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Solution
The fourth proportional to 1,803,154.66, 2,488,409.74 and 987,435.75 is: 1,362,692.17
Step by Step Solution
- Step 1: Write the proportion equation
1,803,154.66 : 2,488,409.74 = 987,435.75 : x - Step 2: Convert to fraction form
1,803,154.66/2,488,409.74 = 987,435.75/x - Step 3: Cross multiply
1,803,154.66x = 2,488,409.74 × 987,435.75 - Step 4: Simplify right side
1,803,154.66x = 2,457,144,737,924.21 - Step 5: Solve for x
x = 2,457,144,737,924.21/1,803,154.66 - Step 6: Final answer
x = 1,362,692.17
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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.