Finding the Fourth Proportional to 4,843,432.84, 6,683,986.88 and 2,668,030.63
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Solution
The fourth proportional to 4,843,432.84, 6,683,986.88 and 2,668,030.63 is: 3,681,909.57
Step by Step Solution
- Step 1: Write the proportion equation
4,843,432.84 : 6,683,986.88 = 2,668,030.63 : x - Step 2: Convert to fraction form
4,843,432.84/6,683,986.88 = 2,668,030.63/x - Step 3: Cross multiply
4,843,432.84x = 6,683,986.88 × 2,668,030.63 - Step 4: Simplify right side
4,843,432.84x = 17,833,081,726,358.13 - Step 5: Solve for x
x = 17,833,081,726,358.13/4,843,432.84 - Step 6: Final answer
x = 3,681,909.57
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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.