Finding the Fourth Proportional to 1,679,966.19, 2,520,075.65 and 481,878.99
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Solution
The fourth proportional to 1,679,966.19, 2,520,075.65 and 481,878.99 is: 722,854.73
Step by Step Solution
- Step 1: Write the proportion equation
1,679,966.19 : 2,520,075.65 = 481,878.99 : x - Step 2: Convert to fraction form
1,679,966.19/2,520,075.65 = 481,878.99/x - Step 3: Cross multiply
1,679,966.19x = 2,520,075.65 × 481,878.99 - Step 4: Simplify right side
1,679,966.19x = 1,214,371,506,536.20 - Step 5: Solve for x
x = 1,214,371,506,536.20/1,679,966.19 - Step 6: Final answer
x = 722,854.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.