Home / 5,299,411.80-7,949,117.70-4,909,688.40

Finding the Fourth Proportional to 5,299,411.80, 7,949,117.70 and 4,909,688.40

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Solution

The fourth proportional to 5,299,411.80, 7,949,117.70 and 4,909,688.40 is: 7,364,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299,411.80 : 7,949,117.70 = 4,909,688.40 : x
  2. Step 2: Convert to fraction form
    5,299,411.80/7,949,117.70 = 4,909,688.40/x
  3. Step 3: Cross multiply
    5,299,411.80x = 7,949,117.70 × 4,909,688.40
  4. Step 4: Simplify right side
    5,299,411.80x = 39,027,690,961,924.69
  5. Step 5: Solve for x
    x = 39,027,690,961,924.69/5,299,411.80
  6. Step 6: Final answer
    x = 7,364,532.60

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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.