Home / 1,787,138.36-2,466,275.90-971,341.80

Finding the Fourth Proportional to 1,787,138.36, 2,466,275.90 and 971,341.80

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Solution

The fourth proportional to 1,787,138.36, 2,466,275.90 and 971,341.80 is: 1,340,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,138.36 : 2,466,275.90 = 971,341.80 : x
  2. Step 2: Convert to fraction form
    1,787,138.36/2,466,275.90 = 971,341.80/x
  3. Step 3: Cross multiply
    1,787,138.36x = 2,466,275.90 × 971,341.80
  4. Step 4: Simplify right side
    1,787,138.36x = 2,395,596,872,002.62
  5. Step 5: Solve for x
    x = 2,395,596,872,002.62/1,787,138.36
  6. Step 6: Final answer
    x = 1,340,465.25

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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.