Home / 2,121,528.45-2,920,315.10-1,849,123.29

Finding the Fourth Proportional to 2,121,528.45, 2,920,315.10 and 1,849,123.29

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Solution

The fourth proportional to 2,121,528.45, 2,920,315.10 and 1,849,123.29 is: 2,545,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,528.45 : 2,920,315.10 = 1,849,123.29 : x
  2. Step 2: Convert to fraction form
    2,121,528.45/2,920,315.10 = 1,849,123.29/x
  3. Step 3: Cross multiply
    2,121,528.45x = 2,920,315.10 × 1,849,123.29
  4. Step 4: Simplify right side
    2,121,528.45x = 5,400,022,656,303.06
  5. Step 5: Solve for x
    x = 5,400,022,656,303.06/2,121,528.45
  6. Step 6: Final answer
    x = 2,545,345.39

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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.