Home / 5,346,946.40-8,020,419.60-4,759,080.80

Finding the Fourth Proportional to 5,346,946.40, 8,020,419.60 and 4,759,080.80

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Solution

The fourth proportional to 5,346,946.40, 8,020,419.60 and 4,759,080.80 is: 7,138,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,946.40 : 8,020,419.60 = 4,759,080.80 : x
  2. Step 2: Convert to fraction form
    5,346,946.40/8,020,419.60 = 4,759,080.80/x
  3. Step 3: Cross multiply
    5,346,946.40x = 8,020,419.60 × 4,759,080.80
  4. Step 4: Simplify right side
    5,346,946.40x = 38,169,824,926,303.68
  5. Step 5: Solve for x
    x = 38,169,824,926,303.68/5,346,946.40
  6. Step 6: Final answer
    x = 7,138,621.20

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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.