Home / 1,913,701.60-2,870,941.20-651,656.80

Finding the Fourth Proportional to 1,913,701.60, 2,870,941.20 and 651,656.80

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Solution

The fourth proportional to 1,913,701.60, 2,870,941.20 and 651,656.80 is: 977,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,701.60 : 2,870,941.20 = 651,656.80 : x
  2. Step 2: Convert to fraction form
    1,913,701.60/2,870,941.20 = 651,656.80/x
  3. Step 3: Cross multiply
    1,913,701.60x = 2,870,941.20 × 651,656.80
  4. Step 4: Simplify right side
    1,913,701.60x = 1,870,868,355,380.16
  5. Step 5: Solve for x
    x = 1,870,868,355,380.16/1,913,701.60
  6. Step 6: Final answer
    x = 977,617.59

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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.