Home / 2,139,240.16-2,952,184.08-1,172,362.60

Finding the Fourth Proportional to 2,139,240.16, 2,952,184.08 and 1,172,362.60

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Solution

The fourth proportional to 2,139,240.16, 2,952,184.08 and 1,172,362.60 is: 1,617,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,240.16 : 2,952,184.08 = 1,172,362.60 : x
  2. Step 2: Convert to fraction form
    2,139,240.16/2,952,184.08 = 1,172,362.60/x
  3. Step 3: Cross multiply
    2,139,240.16x = 2,952,184.08 × 1,172,362.60
  4. Step 4: Simplify right side
    2,139,240.16x = 3,461,030,203,707.41
  5. Step 5: Solve for x
    x = 3,461,030,203,707.41/2,139,240.16
  6. Step 6: Final answer
    x = 1,617,878.29

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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.