Finding the Fourth Proportional to 1,772,134.08, 2,658,072.54 and 692,443.62
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Solution
The fourth proportional to 1,772,134.08, 2,658,072.54 and 692,443.62 is: 1,038,615.19
Step by Step Solution
- Step 1: Write the proportion equation
1,772,134.08 : 2,658,072.54 = 692,443.62 : x - Step 2: Convert to fraction form
1,772,134.08/2,658,072.54 = 692,443.62/x - Step 3: Cross multiply
1,772,134.08x = 2,658,072.54 × 692,443.62 - Step 4: Simplify right side
1,772,134.08x = 1,840,565,371,820.19 - Step 5: Solve for x
x = 1,840,565,371,820.19/1,772,134.08 - Step 6: Final answer
x = 1,038,615.19
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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.