Home / 4,477,965.60-6,716,948.40-1,638,364.80

Finding the Fourth Proportional to 4,477,965.60, 6,716,948.40 and 1,638,364.80

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Solution

The fourth proportional to 4,477,965.60, 6,716,948.40 and 1,638,364.80 is: 2,457,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477,965.60 : 6,716,948.40 = 1,638,364.80 : x
  2. Step 2: Convert to fraction form
    4,477,965.60/6,716,948.40 = 1,638,364.80/x
  3. Step 3: Cross multiply
    4,477,965.60x = 6,716,948.40 × 1,638,364.80
  4. Step 4: Simplify right side
    4,477,965.60x = 11,004,811,821,976.32
  5. Step 5: Solve for x
    x = 11,004,811,821,976.32/4,477,965.60
  6. Step 6: Final answer
    x = 2,457,547.20

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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.