Finding the Fourth Proportional to 2,877,145.74, 3,970,291.41 and 1,587,952.98
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Solution
The fourth proportional to 2,877,145.74, 3,970,291.41 and 1,587,952.98 is: 2,191,281.45
Step by Step Solution
- Step 1: Write the proportion equation
2,877,145.74 : 3,970,291.41 = 1,587,952.98 : x - Step 2: Convert to fraction form
2,877,145.74/3,970,291.41 = 1,587,952.98/x - Step 3: Cross multiply
2,877,145.74x = 3,970,291.41 × 1,587,952.98 - Step 4: Simplify right side
2,877,145.74x = 6,304,636,075,977.90 - Step 5: Solve for x
x = 6,304,636,075,977.90/2,877,145.74 - Step 6: Final answer
x = 2,191,281.45
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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.