Home / 2,931,681.79-4,045,963.26-1,625,343.76

Finding the Fourth Proportional to 2,931,681.79, 4,045,963.26 and 1,625,343.76

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Solution

The fourth proportional to 2,931,681.79, 4,045,963.26 and 1,625,343.76 is: 2,243,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,681.79 : 4,045,963.26 = 1,625,343.76 : x
  2. Step 2: Convert to fraction form
    2,931,681.79/4,045,963.26 = 1,625,343.76/x
  3. Step 3: Cross multiply
    2,931,681.79x = 4,045,963.26 × 1,625,343.76
  4. Step 4: Simplify right side
    2,931,681.79x = 6,576,081,143,881.81
  5. Step 5: Solve for x
    x = 6,576,081,143,881.81/2,931,681.79
  6. Step 6: Final answer
    x = 2,243,108.77

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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.