Finding the Fourth Proportional to 2,909,013.84, 4,357,571.76 and 2,371,186.80
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Solution
The fourth proportional to 2,909,013.84, 4,357,571.76 and 2,371,186.80 is: 3,551,931.07
Step by Step Solution
- Step 1: Write the proportion equation
2,909,013.84 : 4,357,571.76 = 2,371,186.80 : x - Step 2: Convert to fraction form
2,909,013.84/4,357,571.76 = 2,371,186.80/x - Step 3: Cross multiply
2,909,013.84x = 4,357,571.76 × 2,371,186.80 - Step 4: Simplify right side
2,909,013.84x = 10,332,616,637,364.77 - Step 5: Solve for x
x = 10,332,616,637,364.77/2,909,013.84 - Step 6: Final answer
x = 3,551,931.07
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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.