Home / 2,898,691.16-4,000,686.05-1,675,705.72

Finding the Fourth Proportional to 2,898,691.16, 4,000,686.05 and 1,675,705.72

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Solution

The fourth proportional to 2,898,691.16, 4,000,686.05 and 1,675,705.72 is: 2,312,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,691.16 : 4,000,686.05 = 1,675,705.72 : x
  2. Step 2: Convert to fraction form
    2,898,691.16/4,000,686.05 = 1,675,705.72/x
  3. Step 3: Cross multiply
    2,898,691.16x = 4,000,686.05 × 1,675,705.72
  4. Step 4: Simplify right side
    2,898,691.16x = 6,703,972,492,096.76
  5. Step 5: Solve for x
    x = 6,703,972,492,096.76/2,898,691.16
  6. Step 6: Final answer
    x = 2,312,758.46

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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.