Finding the Fourth Proportional to 1,695,339.05, 2,339,593.34 and 920,985.12
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Solution
The fourth proportional to 1,695,339.05, 2,339,593.34 and 920,985.12 is: 1,270,973.29
Step by Step Solution
- Step 1: Write the proportion equation
1,695,339.05 : 2,339,593.34 = 920,985.12 : x - Step 2: Convert to fraction form
1,695,339.05/2,339,593.34 = 920,985.12/x - Step 3: Cross multiply
1,695,339.05x = 2,339,593.34 × 920,985.12 - Step 4: Simplify right side
1,695,339.05x = 2,154,730,648,386.18 - Step 5: Solve for x
x = 2,154,730,648,386.18/1,695,339.05 - Step 6: Final answer
x = 1,270,973.29
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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.