Finding the Fourth Proportional to 1,430,902.20, 1,973,822.84 and 893,425.08
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Solution
The fourth proportional to 1,430,902.20, 1,973,822.84 and 893,425.08 is: 1,232,413.25
Step by Step Solution
- Step 1: Write the proportion equation
1,430,902.20 : 1,973,822.84 = 893,425.08 : x - Step 2: Convert to fraction form
1,430,902.20/1,973,822.84 = 893,425.08/x - Step 3: Cross multiply
1,430,902.20x = 1,973,822.84 × 893,425.08 - Step 4: Simplify right side
1,430,902.20x = 1,763,462,828,732.83 - Step 5: Solve for x
x = 1,763,462,828,732.83/1,430,902.20 - Step 6: Final answer
x = 1,232,413.25
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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.