Home / 1,810,678.16-2,497,798.95-1,229,931.25

Finding the Fourth Proportional to 1,810,678.16, 2,497,798.95 and 1,229,931.25

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Solution

The fourth proportional to 1,810,678.16, 2,497,798.95 and 1,229,931.25 is: 1,696,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,678.16 : 2,497,798.95 = 1,229,931.25 : x
  2. Step 2: Convert to fraction form
    1,810,678.16/2,497,798.95 = 1,229,931.25/x
  3. Step 3: Cross multiply
    1,810,678.16x = 2,497,798.95 × 1,229,931.25
  4. Step 4: Simplify right side
    1,810,678.16x = 3,072,120,984,822.19
  5. Step 5: Solve for x
    x = 3,072,120,984,822.19/1,810,678.16
  6. Step 6: Final answer
    x = 1,696,668.71

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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.