Finding the Fourth Proportional to 1,753,484.90, 2,421,480.33 and 1,657,955.26
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Solution
The fourth proportional to 1,753,484.90, 2,421,480.33 and 1,657,955.26 is: 2,289,558.38
Step by Step Solution
- Step 1: Write the proportion equation
1,753,484.90 : 2,421,480.33 = 1,657,955.26 : x - Step 2: Convert to fraction form
1,753,484.90/2,421,480.33 = 1,657,955.26/x - Step 3: Cross multiply
1,753,484.90x = 2,421,480.33 × 1,657,955.26 - Step 4: Simplify right side
1,753,484.90x = 4,014,706,048,658.06 - Step 5: Solve for x
x = 4,014,706,048,658.06/1,753,484.90 - Step 6: Final answer
x = 2,289,558.38
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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.