Finding the Fourth Proportional to 1,698,142.24, 2,343,455.64 and 972,975.40
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Solution
The fourth proportional to 1,698,142.24, 2,343,455.64 and 972,975.40 is: 1,342,717.14
Step by Step Solution
- Step 1: Write the proportion equation
1,698,142.24 : 2,343,455.64 = 972,975.40 : x - Step 2: Convert to fraction form
1,698,142.24/2,343,455.64 = 972,975.40/x - Step 3: Cross multiply
1,698,142.24x = 2,343,455.64 × 972,975.40 - Step 4: Simplify right side
1,698,142.24x = 2,280,124,688,711.26 - Step 5: Solve for x
x = 2,280,124,688,711.26/1,698,142.24 - Step 6: Final answer
x = 1,342,717.14
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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.