Finding the Fourth Proportional to 1,475,129.64, 2,035,510.65 and 830,533.26
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Solution
The fourth proportional to 1,475,129.64, 2,035,510.65 and 830,533.26 is: 1,146,041.17
Step by Step Solution
- Step 1: Write the proportion equation
1,475,129.64 : 2,035,510.65 = 830,533.26 : x - Step 2: Convert to fraction form
1,475,129.64/2,035,510.65 = 830,533.26/x - Step 3: Cross multiply
1,475,129.64x = 2,035,510.65 × 830,533.26 - Step 4: Simplify right side
1,475,129.64x = 1,690,559,295,909.22 - Step 5: Solve for x
x = 1,690,559,295,909.22/1,475,129.64 - Step 6: Final answer
x = 1,146,041.17
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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.