Finding the Fourth Proportional to 1,693,501.08, 2,337,011.62 and 919,133.28
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Solution
The fourth proportional to 1,693,501.08, 2,337,011.62 and 919,133.28 is: 1,268,393.14
Step by Step Solution
- Step 1: Write the proportion equation
1,693,501.08 : 2,337,011.62 = 919,133.28 : x - Step 2: Convert to fraction form
1,693,501.08/2,337,011.62 = 919,133.28/x - Step 3: Cross multiply
1,693,501.08x = 2,337,011.62 × 919,133.28 - Step 4: Simplify right side
1,693,501.08x = 2,148,025,155,688.71 - Step 5: Solve for x
x = 2,148,025,155,688.71/1,693,501.08 - Step 6: Final answer
x = 1,268,393.14
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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.