Finding the Fourth Proportional to 1,507,215.60, 2,079,995.04 and 818,887.68
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Solution
The fourth proportional to 1,507,215.60, 2,079,995.04 and 818,887.68 is: 1,130,085.38
Step by Step Solution
- Step 1: Write the proportion equation
1,507,215.60 : 2,079,995.04 = 818,887.68 : x - Step 2: Convert to fraction form
1,507,215.60/2,079,995.04 = 818,887.68/x - Step 3: Cross multiply
1,507,215.60x = 2,079,995.04 × 818,887.68 - Step 4: Simplify right side
1,507,215.60x = 1,703,282,312,717.11 - Step 5: Solve for x
x = 1,703,282,312,717.11/1,507,215.60 - Step 6: Final answer
x = 1,130,085.38
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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.