Finding the Fourth Proportional to 1,246,602.90, 1,869,904.35 and 1,238,729.70
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Solution
The fourth proportional to 1,246,602.90, 1,869,904.35 and 1,238,729.70 is: 1,858,094.55
Step by Step Solution
- Step 1: Write the proportion equation
1,246,602.90 : 1,869,904.35 = 1,238,729.70 : x - Step 2: Convert to fraction form
1,246,602.90/1,869,904.35 = 1,238,729.70/x - Step 3: Cross multiply
1,246,602.90x = 1,869,904.35 × 1,238,729.70 - Step 4: Simplify right side
1,246,602.90x = 2,316,306,054,504.19 - Step 5: Solve for x
x = 2,316,306,054,504.19/1,246,602.90 - Step 6: Final answer
x = 1,858,094.55
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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.