Home / 2,911,621.59-4,018,053.74-1,688,652

Finding the Fourth Proportional to 2,911,621.59, 4,018,053.74 and 1,688,652

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Solution

The fourth proportional to 2,911,621.59, 4,018,053.74 and 1,688,652 is: 2,330,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,621.59 : 4,018,053.74 = 1,688,652 : x
  2. Step 2: Convert to fraction form
    2,911,621.59/4,018,053.74 = 1,688,652/x
  3. Step 3: Cross multiply
    2,911,621.59x = 4,018,053.74 × 1,688,652
  4. Step 4: Simplify right side
    2,911,621.59x = 6,785,094,475,715.22
  5. Step 5: Solve for x
    x = 6,785,094,475,715.22/2,911,621.59
  6. Step 6: Final answer
    x = 2,330,349.01

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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.