Finding the Fourth Proportional to 2,169,926.57, 2,994,595.88 and 1,239,715.67
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Solution
The fourth proportional to 2,169,926.57, 2,994,595.88 and 1,239,715.67 is: 1,710,863.16
Step by Step Solution
- Step 1: Write the proportion equation
2,169,926.57 : 2,994,595.88 = 1,239,715.67 : x - Step 2: Convert to fraction form
2,169,926.57/2,994,595.88 = 1,239,715.67/x - Step 3: Cross multiply
2,169,926.57x = 2,994,595.88 × 1,239,715.67 - Step 4: Simplify right side
2,169,926.57x = 3,712,447,437,109.48 - Step 5: Solve for x
x = 3,712,447,437,109.48/2,169,926.57 - Step 6: Final answer
x = 1,710,863.16
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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.