Home / 1,894,729.40-2,837,946.90-1,645,897.40

Finding the Fourth Proportional to 1,894,729.40, 2,837,946.90 and 1,645,897.40

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Solution

The fourth proportional to 1,894,729.40, 2,837,946.90 and 1,645,897.40 is: 2,465,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894,729.40 : 2,837,946.90 = 1,645,897.40 : x
  2. Step 2: Convert to fraction form
    1,894,729.40/2,837,946.90 = 1,645,897.40/x
  3. Step 3: Cross multiply
    1,894,729.40x = 2,837,946.90 × 1,645,897.40
  4. Step 4: Simplify right side
    1,894,729.40x = 4,670,969,424,048.06
  5. Step 5: Solve for x
    x = 4,670,969,424,048.06/1,894,729.40
  6. Step 6: Final answer
    x = 2,465,243.55

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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.