Home / 2,911,659.93-4,018,106.70-1,688,690.66

Finding the Fourth Proportional to 2,911,659.93, 4,018,106.70 and 1,688,690.66

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Solution

The fourth proportional to 2,911,659.93, 4,018,106.70 and 1,688,690.66 is: 2,330,402.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,659.93 : 4,018,106.70 = 1,688,690.66 : x
  2. Step 2: Convert to fraction form
    2,911,659.93/4,018,106.70 = 1,688,690.66/x
  3. Step 3: Cross multiply
    2,911,659.93x = 4,018,106.70 × 1,688,690.66
  4. Step 4: Simplify right side
    2,911,659.93x = 6,785,339,235,082.89
  5. Step 5: Solve for x
    x = 6,785,339,235,082.89/2,911,659.93
  6. Step 6: Final answer
    x = 2,330,402.38

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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.