Home / 4,257,779.40-6,387,689.70-1,417,916.16

Finding the Fourth Proportional to 4,257,779.40, 6,387,689.70 and 1,417,916.16

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Solution

The fourth proportional to 4,257,779.40, 6,387,689.70 and 1,417,916.16 is: 2,127,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257,779.40 : 6,387,689.70 = 1,417,916.16 : x
  2. Step 2: Convert to fraction form
    4,257,779.40/6,387,689.70 = 1,417,916.16/x
  3. Step 3: Cross multiply
    4,257,779.40x = 6,387,689.70 × 1,417,916.16
  4. Step 4: Simplify right side
    4,257,779.40x = 9,057,208,450,695.55
  5. Step 5: Solve for x
    x = 9,057,208,450,695.55/4,257,779.40
  6. Step 6: Final answer
    x = 2,127,214.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.