Home / 3,055,461.76-4,216,547.64-1,678,915.36

Finding the Fourth Proportional to 3,055,461.76, 4,216,547.64 and 1,678,915.36

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Solution

The fourth proportional to 3,055,461.76, 4,216,547.64 and 1,678,915.36 is: 2,316,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055,461.76 : 4,216,547.64 = 1,678,915.36 : x
  2. Step 2: Convert to fraction form
    3,055,461.76/4,216,547.64 = 1,678,915.36/x
  3. Step 3: Cross multiply
    3,055,461.76x = 4,216,547.64 × 1,678,915.36
  4. Step 4: Simplify right side
    3,055,461.76x = 7,079,226,598,967.75
  5. Step 5: Solve for x
    x = 7,079,226,598,967.75/3,055,461.76
  6. Step 6: Final answer
    x = 2,316,908.92

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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.