Home / 1,985,461.22-2,740,535.45-1,716,419.21

Finding the Fourth Proportional to 1,985,461.22, 2,740,535.45 and 1,716,419.21

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Solution

The fourth proportional to 1,985,461.22, 2,740,535.45 and 1,716,419.21 is: 2,369,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,461.22 : 2,740,535.45 = 1,716,419.21 : x
  2. Step 2: Convert to fraction form
    1,985,461.22/2,740,535.45 = 1,716,419.21/x
  3. Step 3: Cross multiply
    1,985,461.22x = 2,740,535.45 × 1,716,419.21
  4. Step 4: Simplify right side
    1,985,461.22x = 4,703,907,701,288.16
  5. Step 5: Solve for x
    x = 4,703,907,701,288.16/1,985,461.22
  6. Step 6: Final answer
    x = 2,369,176.32

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1.5x scale

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.