Finding the Fourth Proportional to 1,406,070.29, 1,938,925.86 and 1,202,794.11
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Solution
The fourth proportional to 1,406,070.29, 1,938,925.86 and 1,202,794.11 is: 1,658,614.52
Step by Step Solution
- Step 1: Write the proportion equation
1,406,070.29 : 1,938,925.86 = 1,202,794.11 : x - Step 2: Convert to fraction form
1,406,070.29/1,938,925.86 = 1,202,794.11/x - Step 3: Cross multiply
1,406,070.29x = 1,938,925.86 × 1,202,794.11 - Step 4: Simplify right side
1,406,070.29x = 2,332,128,599,624.21 - Step 5: Solve for x
x = 2,332,128,599,624.21/1,406,070.29 - Step 6: Final answer
x = 1,658,614.52
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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.