Finding the Fourth Proportional to 3,592,437.80, 5,390,730.30 and 1,348,802.60
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Solution
The fourth proportional to 3,592,437.80, 5,390,730.30 and 1,348,802.60 is: 2,023,982.45
Step by Step Solution
- Step 1: Write the proportion equation
3,592,437.80 : 5,390,730.30 = 1,348,802.60 : x - Step 2: Convert to fraction form
3,592,437.80/5,390,730.30 = 1,348,802.60/x - Step 3: Cross multiply
3,592,437.80x = 5,390,730.30 × 1,348,802.60 - Step 4: Simplify right side
3,592,437.80x = 7,271,031,044,538.78 - Step 5: Solve for x
x = 7,271,031,044,538.78/3,592,437.80 - Step 6: Final answer
x = 2,023,982.45
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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.