Finding the Fourth Proportional to 1,470,587.19, 2,029,366.12 and 817,211.01
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Solution
The fourth proportional to 1,470,587.19, 2,029,366.12 and 817,211.01 is: 1,127,726.63
Step by Step Solution
- Step 1: Write the proportion equation
1,470,587.19 : 2,029,366.12 = 817,211.01 : x - Step 2: Convert to fraction form
1,470,587.19/2,029,366.12 = 817,211.01/x - Step 3: Cross multiply
1,470,587.19x = 2,029,366.12 × 817,211.01 - Step 4: Simplify right side
1,470,587.19x = 1,658,420,336,584.98 - Step 5: Solve for x
x = 1,658,420,336,584.98/1,470,587.19 - Step 6: Final answer
x = 1,127,726.63
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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.