Home / 4,574,878.32-6,312,663-2,640,831.60

Finding the Fourth Proportional to 4,574,878.32, 6,312,663 and 2,640,831.60

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Solution

The fourth proportional to 4,574,878.32, 6,312,663 and 2,640,831.60 is: 3,643,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574,878.32 : 6,312,663 = 2,640,831.60 : x
  2. Step 2: Convert to fraction form
    4,574,878.32/6,312,663 = 2,640,831.60/x
  3. Step 3: Cross multiply
    4,574,878.32x = 6,312,663 × 2,640,831.60
  4. Step 4: Simplify right side
    4,574,878.32x = 16,670,679,930,550.80
  5. Step 5: Solve for x
    x = 16,670,679,930,550.80/4,574,878.32
  6. Step 6: Final answer
    x = 3,643,961.38

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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.