Finding the Fourth Proportional to 2,184,927.74, 3,013,491.03 and 1,421,225.18
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Solution
The fourth proportional to 2,184,927.74, 3,013,491.03 and 1,421,225.18 is: 1,960,178.94
Step by Step Solution
- Step 1: Write the proportion equation
2,184,927.74 : 3,013,491.03 = 1,421,225.18 : x - Step 2: Convert to fraction form
2,184,927.74/3,013,491.03 = 1,421,225.18/x - Step 3: Cross multiply
2,184,927.74x = 3,013,491.03 × 1,421,225.18 - Step 4: Simplify right side
2,184,927.74x = 4,282,849,331,540.14 - Step 5: Solve for x
x = 4,282,849,331,540.14/2,184,927.74 - Step 6: Final answer
x = 1,960,178.94
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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.