Finding the Fourth Proportional to 1,929,615.98, 2,662,958.95 and 1,070,125.02
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Solution
The fourth proportional to 1,929,615.98, 2,662,958.95 and 1,070,125.02 is: 1,476,821.83
Step by Step Solution
- Step 1: Write the proportion equation
1,929,615.98 : 2,662,958.95 = 1,070,125.02 : x - Step 2: Convert to fraction form
1,929,615.98/2,662,958.95 = 1,070,125.02/x - Step 3: Cross multiply
1,929,615.98x = 2,662,958.95 × 1,070,125.02 - Step 4: Simplify right side
1,929,615.98x = 2,849,698,999,627.93 - Step 5: Solve for x
x = 2,849,698,999,627.93/1,929,615.98 - Step 6: Final answer
x = 1,476,821.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.