Home / 2,812,009.50-4,218,733.53-817,465.50

Finding the Fourth Proportional to 2,812,009.50, 4,218,733.53 and 817,465.50

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Solution

The fourth proportional to 2,812,009.50, 4,218,733.53 and 817,465.50 is: 1,226,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,009.50 : 4,218,733.53 = 817,465.50 : x
  2. Step 2: Convert to fraction form
    2,812,009.50/4,218,733.53 = 817,465.50/x
  3. Step 3: Cross multiply
    2,812,009.50x = 4,218,733.53 × 817,465.50
  4. Step 4: Simplify right side
    2,812,009.50x = 3,448,669,114,468.22
  5. Step 5: Solve for x
    x = 3,448,669,114,468.22/2,812,009.50
  6. Step 6: Final answer
    x = 1,226,407.35

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1.5x scale

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.