Finding the Fourth Proportional to 1,445,122.12, 2,169,028.16 and 735,681.28
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Solution
The fourth proportional to 1,445,122.12, 2,169,028.16 and 735,681.28 is: 1,104,206.62
Step by Step Solution
- Step 1: Write the proportion equation
1,445,122.12 : 2,169,028.16 = 735,681.28 : x - Step 2: Convert to fraction form
1,445,122.12/2,169,028.16 = 735,681.28/x - Step 3: Cross multiply
1,445,122.12x = 2,169,028.16 × 735,681.28 - Step 4: Simplify right side
1,445,122.12x = 1,595,713,413,104.85 - Step 5: Solve for x
x = 1,595,713,413,104.85/1,445,122.12 - Step 6: Final answer
x = 1,104,206.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.