Finding the Fourth Proportional to 1,779,525.84, 2,455,989.99 and 1,091,075.94
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Solution
The fourth proportional to 1,779,525.84, 2,455,989.99 and 1,091,075.94 is: 1,505,834.60
Step by Step Solution
- Step 1: Write the proportion equation
1,779,525.84 : 2,455,989.99 = 1,091,075.94 : x - Step 2: Convert to fraction form
1,779,525.84/2,455,989.99 = 1,091,075.94/x - Step 3: Cross multiply
1,779,525.84x = 2,455,989.99 × 1,091,075.94 - Step 4: Simplify right side
1,779,525.84x = 2,679,671,586,969.84 - Step 5: Solve for x
x = 2,679,671,586,969.84/1,779,525.84 - Step 6: Final answer
x = 1,505,834.60
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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.