Finding the Fourth Proportional to 1,887,697.16, 2,604,948.62 and 1,153,880.08
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Solution
The fourth proportional to 1,887,697.16, 2,604,948.62 and 1,153,880.08 is: 1,592,309.61
Step by Step Solution
- Step 1: Write the proportion equation
1,887,697.16 : 2,604,948.62 = 1,153,880.08 : x - Step 2: Convert to fraction form
1,887,697.16/2,604,948.62 = 1,153,880.08/x - Step 3: Cross multiply
1,887,697.16x = 2,604,948.62 × 1,153,880.08 - Step 4: Simplify right side
1,887,697.16x = 3,005,798,322,041.49 - Step 5: Solve for x
x = 3,005,798,322,041.49/1,887,697.16 - Step 6: Final answer
x = 1,592,309.61
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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.