Finding the Fourth Proportional to 3,128,871, 4,317,841.98 and 1,698,087
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Solution
The fourth proportional to 3,128,871, 4,317,841.98 and 1,698,087 is: 2,343,360.06
Step by Step Solution
- Step 1: Write the proportion equation
3,128,871 : 4,317,841.98 = 1,698,087 : x - Step 2: Convert to fraction form
3,128,871/4,317,841.98 = 1,698,087/x - Step 3: Cross multiply
3,128,871x = 4,317,841.98 × 1,698,087 - Step 4: Simplify right side
3,128,871x = 7,332,071,334,292.26 - Step 5: Solve for x
x = 7,332,071,334,292.26/3,128,871 - Step 6: Final answer
x = 2,343,360.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.