Finding the Fourth Proportional to 1,535,521.05, 2,303,618.54 and 470,643.21
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Solution
The fourth proportional to 1,535,521.05, 2,303,618.54 and 470,643.21 is: 706,068.09
Step by Step Solution
- Step 1: Write the proportion equation
1,535,521.05 : 2,303,618.54 = 470,643.21 : x - Step 2: Convert to fraction form
1,535,521.05/2,303,618.54 = 470,643.21/x - Step 3: Cross multiply
1,535,521.05x = 2,303,618.54 × 470,643.21 - Step 4: Simplify right side
1,535,521.05x = 1,084,182,421,927.90 - Step 5: Solve for x
x = 1,084,182,421,927.90/1,535,521.05 - Step 6: Final answer
x = 706,068.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.