Finding the Fourth Proportional to 5,732,646.48, 7,911,043.20 and 3,440,817.36
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Solution
The fourth proportional to 5,732,646.48, 7,911,043.20 and 3,440,817.36 is: 4,748,322.59
Step by Step Solution
- Step 1: Write the proportion equation
5,732,646.48 : 7,911,043.20 = 3,440,817.36 : x - Step 2: Convert to fraction form
5,732,646.48/7,911,043.20 = 3,440,817.36/x - Step 3: Cross multiply
5,732,646.48x = 7,911,043.20 × 3,440,817.36 - Step 4: Simplify right side
5,732,646.48x = 27,220,454,778,269.95 - Step 5: Solve for x
x = 27,220,454,778,269.95/5,732,646.48 - Step 6: Final answer
x = 4,748,322.59
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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.