Home / 3,830,720.40-5,746,080.60-1,698,541.20

Finding the Fourth Proportional to 3,830,720.40, 5,746,080.60 and 1,698,541.20

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Solution

The fourth proportional to 3,830,720.40, 5,746,080.60 and 1,698,541.20 is: 2,547,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,720.40 : 5,746,080.60 = 1,698,541.20 : x
  2. Step 2: Convert to fraction form
    3,830,720.40/5,746,080.60 = 1,698,541.20/x
  3. Step 3: Cross multiply
    3,830,720.40x = 5,746,080.60 × 1,698,541.20
  4. Step 4: Simplify right side
    3,830,720.40x = 9,759,954,637,620.72
  5. Step 5: Solve for x
    x = 9,759,954,637,620.72/3,830,720.40
  6. Step 6: Final answer
    x = 2,547,811.80

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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.