Finding the Fourth Proportional to 1,365,352.64, 1,884,894.99 and 997,416.71
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Solution
The fourth proportional to 1,365,352.64, 1,884,894.99 and 997,416.71 is: 1,376,952.52
Step by Step Solution
- Step 1: Write the proportion equation
1,365,352.64 : 1,884,894.99 = 997,416.71 : x - Step 2: Convert to fraction form
1,365,352.64/1,884,894.99 = 997,416.71/x - Step 3: Cross multiply
1,365,352.64x = 1,884,894.99 × 997,416.71 - Step 4: Simplify right side
1,365,352.64x = 1,880,025,747,703.27 - Step 5: Solve for x
x = 1,880,025,747,703.27/1,365,352.64 - Step 6: Final answer
x = 1,376,952.52
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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.