Finding the Fourth Proportional to 1,470,655.19, 2,029,189.35 and 858,530.16
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Solution
The fourth proportional to 1,470,655.19, 2,029,189.35 and 858,530.16 is: 1,184,587.84
Step by Step Solution
- Step 1: Write the proportion equation
1,470,655.19 : 2,029,189.35 = 858,530.16 : x - Step 2: Convert to fraction form
1,470,655.19/2,029,189.35 = 858,530.16/x - Step 3: Cross multiply
1,470,655.19x = 2,029,189.35 × 858,530.16 - Step 4: Simplify right side
1,470,655.19x = 1,742,120,260,545.28 - Step 5: Solve for x
x = 1,742,120,260,545.28/1,470,655.19 - Step 6: Final answer
x = 1,184,587.84
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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.